388306620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 288

約数和(自身を含む): 1347300864

約数和(自身を除く): 958994244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 53, 60, 62, 65, 78, 90, 93, 101, 106, 117, 124, 130, 155, 156, 159, 180, 186, 195, 202, 212, 234, 260, 265, 279, 303, 310, 318, 372, 390, 403, 404, 465, 468, 477, 505, 530, 558, 585, 606, 620, 636, 689, 780, 795, 806, 909, 930, 954, 1010, 1060, 1116, 1170, 1209, 1212, 1313, 1378, 1395, 1515, 1590, 1612, 1643, 1818, 1860, 1908, 2015, 2020, 2067, 2340, 2385, 2418, 2626, 2756, 2790, 3030, 3131, 3180, 3286, 3445, 3627, 3636, 3939, 4030, 4134, 4545, 4770, 4836, 4929, 5252, 5353, 5580, 6045, 6060, 6201, 6262, 6565, 6572, 6890, 7254, 7878, 8060, 8215, 8268, 9090, 9393, 9540, 9858, 10335, 10706, 11817, 12090, 12402, 12524, 13130, 13780, 14508, 14787, 15655, 15756, 16059, 16430, 18135, 18180, 18786, 19695, 19716, 20670, 21359, 21412, 23634, 24180, 24645, 24804, 26260, 26765, 28179, 29574, 31005, 31310, 32118, 32860, 36270, 37572, 39390, 40703, 41340, 42718, 46965, 47268, 48177, 49290, 53530, 56358, 59085, 59148, 62010, 62620, 64077, 64236, 69589, 72540, 73935, 78780, 80295, 81406, 85436, 93930, 96354, 98580, 106795, 107060, 112716, 118170, 122109, 124020, 128154, 139178, 140895, 147870, 160590, 162812, 165943, 187860, 192231, 192708, 203515, 208767, 213590, 236340, 240885, 244218, 256308, 278356, 281790, 295740, 320385, 321180, 331886, 347945, 366327, 384462, 407030, 417534, 427180, 481770, 488436, 497829, 563580, 610545, 626301, 640770, 663772, 695890, 732654, 768924, 814060, 829715, 835068, 961155, 963540, 995658, 1043835, 1221090, 1252602, 1281540, 1391780, 1465308, 1493487, 1659430, 1831635, 1922310, 1991316, 2087670, 2157259, 2442180, 2489145, 2505204, 2986974, 3131505, 3318860, 3663270, 3844620, 4175340, 4314518, 4978290, 5973948, 6263010, 6471777, 7326540, 7467435, 8629036, 9956580, 10786295, 12526020, 12943554, 14934870, 19415331, 21572590, 25887108, 29869740, 32358885, 38830662, 43145180, 64717770, 77661324, 97076655, 129435540, 194153310, 388306620]

約数ペア:

[(1, 388306620), (2, 194153310), (3, 129435540), (4, 97076655), (5, 77661324), (6, 64717770), (9, 43145180), (10, 38830662), (12, 32358885), (13, 29869740), (15, 25887108), (18, 21572590), (20, 19415331), (26, 14934870), (30, 12943554), (31, 12526020), (36, 10786295), (39, 9956580), (45, 8629036), (52, 7467435), (53, 7326540), (60, 6471777), (62, 6263010), (65, 5973948), (78, 4978290), (90, 4314518), (93, 4175340), (101, 3844620), (106, 3663270), (117, 3318860), (124, 3131505), (130, 2986974), (155, 2505204), (156, 2489145), (159, 2442180), (180, 2157259), (186, 2087670), (195, 1991316), (202, 1922310), (212, 1831635), (234, 1659430), (260, 1493487), (265, 1465308), (279, 1391780), (303, 1281540), (310, 1252602), (318, 1221090), (372, 1043835), (390, 995658), (403, 963540), (404, 961155), (465, 835068), (468, 829715), (477, 814060), (505, 768924), (530, 732654), (558, 695890), (585, 663772), (606, 640770), (620, 626301), (636, 610545), (689, 563580), (780, 497829), (795, 488436), (806, 481770), (909, 427180), (930, 417534), (954, 407030), (1010, 384462), (1060, 366327), (1116, 347945), (1170, 331886), (1209, 321180), (1212, 320385), (1313, 295740), (1378, 281790), (1395, 278356), (1515, 256308), (1590, 244218), (1612, 240885), (1643, 236340), (1818, 213590), (1860, 208767), (1908, 203515), (2015, 192708), (2020, 192231), (2067, 187860), (2340, 165943), (2385, 162812), (2418, 160590), (2626, 147870), (2756, 140895), (2790, 139178), (3030, 128154), (3131, 124020), (3180, 122109), (3286, 118170), (3445, 112716), (3627, 107060), (3636, 106795), (3939, 98580), (4030, 96354), (4134, 93930), (4545, 85436), (4770, 81406), (4836, 80295), (4929, 78780), (5252, 73935), (5353, 72540), (5580, 69589), (6045, 64236), (6060, 64077), (6201, 62620), (6262, 62010), (6565, 59148), (6572, 59085), (6890, 56358), (7254, 53530), (7878, 49290), (8060, 48177), (8215, 47268), (8268, 46965), (9090, 42718), (9393, 41340), (9540, 40703), (9858, 39390), (10335, 37572), (10706, 36270), (11817, 32860), (12090, 32118), (12402, 31310), (12524, 31005), (13130, 29574), (13780, 28179), (14508, 26765), (14787, 26260), (15655, 24804), (15756, 24645), (16059, 24180), (16430, 23634), (18135, 21412), (18180, 21359), (18786, 20670), (19695, 19716)]