389621640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 256

約数和(自身を含む): 1311344640

約数和(自身を除く): 921723000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 61, 62, 68, 85, 93, 101, 102, 120, 122, 124, 136, 155, 170, 183, 186, 202, 204, 244, 248, 255, 303, 305, 310, 340, 366, 372, 404, 408, 465, 488, 505, 510, 527, 606, 610, 620, 680, 732, 744, 808, 915, 930, 1010, 1020, 1037, 1054, 1212, 1220, 1240, 1464, 1515, 1581, 1717, 1830, 1860, 1891, 2020, 2040, 2074, 2108, 2424, 2440, 2635, 3030, 3111, 3131, 3162, 3434, 3660, 3720, 3782, 4040, 4148, 4216, 5151, 5185, 5270, 5673, 6060, 6161, 6222, 6262, 6324, 6868, 7320, 7564, 7905, 8296, 8585, 9393, 9455, 10302, 10370, 10540, 11346, 12120, 12322, 12444, 12524, 12648, 13736, 15128, 15555, 15655, 15810, 17170, 18483, 18786, 18910, 20604, 20740, 21080, 22692, 24644, 24888, 25048, 25755, 28365, 30805, 31110, 31310, 31620, 32147, 34340, 36966, 37572, 37820, 41208, 41480, 45384, 46965, 49288, 51510, 53227, 56730, 61610, 62220, 62620, 63240, 64294, 68680, 73932, 75144, 75640, 92415, 93930, 96441, 103020, 104737, 106454, 113460, 123220, 124440, 125240, 128588, 147864, 159681, 160735, 184830, 187860, 190991, 192882, 206040, 209474, 212908, 226920, 246440, 257176, 266135, 314211, 319362, 321470, 369660, 375720, 381982, 385764, 418948, 425816, 482205, 523685, 532270, 572973, 628422, 638724, 642940, 739320, 763964, 771528, 798405, 837896, 954955, 964410, 1047370, 1064540, 1145946, 1256844, 1277448, 1285880, 1527928, 1571055, 1596810, 1909910, 1928820, 2094740, 2129080, 2291892, 2513688, 2864865, 3142110, 3193620, 3246847, 3819820, 3857640, 4189480, 4583784, 5729730, 6284220, 6387240, 6493694, 7639640, 9740541, 11459460, 12568440, 12987388, 16234235, 19481082, 22918920, 25974776, 32468470, 38962164, 48702705, 64936940, 77924328, 97405410, 129873880, 194810820, 389621640]

約数ペア:

[(1, 389621640), (2, 194810820), (3, 129873880), (4, 97405410), (5, 77924328), (6, 64936940), (8, 48702705), (10, 38962164), (12, 32468470), (15, 25974776), (17, 22918920), (20, 19481082), (24, 16234235), (30, 12987388), (31, 12568440), (34, 11459460), (40, 9740541), (51, 7639640), (60, 6493694), (61, 6387240), (62, 6284220), (68, 5729730), (85, 4583784), (93, 4189480), (101, 3857640), (102, 3819820), (120, 3246847), (122, 3193620), (124, 3142110), (136, 2864865), (155, 2513688), (170, 2291892), (183, 2129080), (186, 2094740), (202, 1928820), (204, 1909910), (244, 1596810), (248, 1571055), (255, 1527928), (303, 1285880), (305, 1277448), (310, 1256844), (340, 1145946), (366, 1064540), (372, 1047370), (404, 964410), (408, 954955), (465, 837896), (488, 798405), (505, 771528), (510, 763964), (527, 739320), (606, 642940), (610, 638724), (620, 628422), (680, 572973), (732, 532270), (744, 523685), (808, 482205), (915, 425816), (930, 418948), (1010, 385764), (1020, 381982), (1037, 375720), (1054, 369660), (1212, 321470), (1220, 319362), (1240, 314211), (1464, 266135), (1515, 257176), (1581, 246440), (1717, 226920), (1830, 212908), (1860, 209474), (1891, 206040), (2020, 192882), (2040, 190991), (2074, 187860), (2108, 184830), (2424, 160735), (2440, 159681), (2635, 147864), (3030, 128588), (3111, 125240), (3131, 124440), (3162, 123220), (3434, 113460), (3660, 106454), (3720, 104737), (3782, 103020), (4040, 96441), (4148, 93930), (4216, 92415), (5151, 75640), (5185, 75144), (5270, 73932), (5673, 68680), (6060, 64294), (6161, 63240), (6222, 62620), (6262, 62220), (6324, 61610), (6868, 56730), (7320, 53227), (7564, 51510), (7905, 49288), (8296, 46965), (8585, 45384), (9393, 41480), (9455, 41208), (10302, 37820), (10370, 37572), (10540, 36966), (11346, 34340), (12120, 32147), (12322, 31620), (12444, 31310), (12524, 31110), (12648, 30805), (13736, 28365), (15128, 25755), (15555, 25048), (15655, 24888), (15810, 24644), (17170, 22692), (18483, 21080), (18786, 20740), (18910, 20604)]