399199710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 256

約数和(自身を含む): 1254113280

約数和(自身を除く): 854913570

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 31, 35, 39, 42, 53, 62, 65, 70, 78, 89, 91, 93, 105, 106, 130, 155, 159, 178, 182, 186, 195, 210, 217, 265, 267, 273, 310, 318, 371, 390, 403, 434, 445, 455, 465, 530, 534, 546, 623, 651, 689, 742, 795, 806, 890, 910, 930, 1085, 1113, 1157, 1209, 1246, 1302, 1335, 1365, 1378, 1590, 1643, 1855, 1869, 2015, 2067, 2170, 2226, 2314, 2418, 2670, 2730, 2759, 2821, 3115, 3255, 3286, 3445, 3471, 3710, 3738, 4030, 4134, 4717, 4823, 4929, 5518, 5565, 5642, 5785, 6045, 6230, 6510, 6890, 6942, 8099, 8215, 8277, 8463, 9345, 9434, 9646, 9858, 10335, 11130, 11501, 11570, 12090, 13795, 14105, 14151, 14469, 16198, 16430, 16554, 16926, 17355, 18690, 19313, 20670, 21359, 23002, 23585, 24115, 24297, 24645, 27590, 28210, 28302, 28938, 33019, 34503, 34710, 35867, 38626, 40495, 41385, 42315, 42718, 47170, 48230, 48594, 49290, 57505, 57939, 61321, 64077, 66038, 69006, 70755, 71734, 72345, 80990, 82770, 84630, 96565, 99057, 106795, 107601, 115010, 115878, 121485, 122642, 128154, 141510, 144690, 146227, 149513, 165095, 172515, 179335, 183963, 193130, 198114, 213590, 215202, 242970, 251069, 289695, 292454, 299026, 306605, 320385, 330190, 345030, 358670, 367926, 429247, 438681, 448539, 495285, 502138, 538005, 579390, 613210, 640770, 731135, 747565, 753207, 858494, 877362, 897078, 919815, 990570, 1023589, 1076010, 1255345, 1287741, 1462270, 1495130, 1506414, 1839630, 1900951, 2047178, 2146235, 2193405, 2242695, 2510690, 2575482, 3070767, 3766035, 3801902, 4292470, 4386810, 4485390, 5117945, 5702853, 6141534, 6438705, 7532070, 9504755, 10235890, 11405706, 12877410, 13306657, 15353835, 19009510, 26613314, 28514265, 30707670, 39919971, 57028530, 66533285, 79839942, 133066570, 199599855, 399199710]

約数ペア:

[(1, 399199710), (2, 199599855), (3, 133066570), (5, 79839942), (6, 66533285), (7, 57028530), (10, 39919971), (13, 30707670), (14, 28514265), (15, 26613314), (21, 19009510), (26, 15353835), (30, 13306657), (31, 12877410), (35, 11405706), (39, 10235890), (42, 9504755), (53, 7532070), (62, 6438705), (65, 6141534), (70, 5702853), (78, 5117945), (89, 4485390), (91, 4386810), (93, 4292470), (105, 3801902), (106, 3766035), (130, 3070767), (155, 2575482), (159, 2510690), (178, 2242695), (182, 2193405), (186, 2146235), (195, 2047178), (210, 1900951), (217, 1839630), (265, 1506414), (267, 1495130), (273, 1462270), (310, 1287741), (318, 1255345), (371, 1076010), (390, 1023589), (403, 990570), (434, 919815), (445, 897078), (455, 877362), (465, 858494), (530, 753207), (534, 747565), (546, 731135), (623, 640770), (651, 613210), (689, 579390), (742, 538005), (795, 502138), (806, 495285), (890, 448539), (910, 438681), (930, 429247), (1085, 367926), (1113, 358670), (1157, 345030), (1209, 330190), (1246, 320385), (1302, 306605), (1335, 299026), (1365, 292454), (1378, 289695), (1590, 251069), (1643, 242970), (1855, 215202), (1869, 213590), (2015, 198114), (2067, 193130), (2170, 183963), (2226, 179335), (2314, 172515), (2418, 165095), (2670, 149513), (2730, 146227), (2759, 144690), (2821, 141510), (3115, 128154), (3255, 122642), (3286, 121485), (3445, 115878), (3471, 115010), (3710, 107601), (3738, 106795), (4030, 99057), (4134, 96565), (4717, 84630), (4823, 82770), (4929, 80990), (5518, 72345), (5565, 71734), (5642, 70755), (5785, 69006), (6045, 66038), (6230, 64077), (6510, 61321), (6890, 57939), (6942, 57505), (8099, 49290), (8215, 48594), (8277, 48230), (8463, 47170), (9345, 42718), (9434, 42315), (9646, 41385), (9858, 40495), (10335, 38626), (11130, 35867), (11501, 34710), (11570, 34503), (12090, 33019), (13795, 28938), (14105, 28302), (14151, 28210), (14469, 27590), (16198, 24645), (16430, 24297), (16554, 24115), (16926, 23585), (17355, 23002), (18690, 21359), (19313, 20670)]