389187240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{787}}^1$

素因数の和:1131

約数の個数: 128

約数和(自身を含む): 1262943360

約数和(自身を除く): 873756120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 317, 390, 520, 634, 780, 787, 951, 1268, 1560, 1574, 1585, 1902, 2361, 2536, 3148, 3170, 3804, 3935, 4121, 4722, 4755, 6296, 6340, 7608, 7870, 8242, 9444, 9510, 10231, 11805, 12363, 12680, 15740, 16484, 18888, 19020, 20462, 20605, 23610, 24726, 30693, 31480, 32968, 38040, 40924, 41210, 47220, 49452, 51155, 61386, 61815, 81848, 82420, 94440, 98904, 102310, 122772, 123630, 153465, 164840, 204620, 245544, 247260, 249479, 306930, 409240, 494520, 498958, 613860, 748437, 997916, 1227720, 1247395, 1496874, 1995832, 2494790, 2993748, 3243227, 3742185, 4989580, 5987496, 6486454, 7484370, 9729681, 9979160, 12972908, 14968740, 16216135, 19459362, 25945816, 29937480, 32432270, 38918724, 48648405, 64864540, 77837448, 97296810, 129729080, 194593620, 389187240]

約数ペア:

[(1, 389187240), (2, 194593620), (3, 129729080), (4, 97296810), (5, 77837448), (6, 64864540), (8, 48648405), (10, 38918724), (12, 32432270), (13, 29937480), (15, 25945816), (20, 19459362), (24, 16216135), (26, 14968740), (30, 12972908), (39, 9979160), (40, 9729681), (52, 7484370), (60, 6486454), (65, 5987496), (78, 4989580), (104, 3742185), (120, 3243227), (130, 2993748), (156, 2494790), (195, 1995832), (260, 1496874), (312, 1247395), (317, 1227720), (390, 997916), (520, 748437), (634, 613860), (780, 498958), (787, 494520), (951, 409240), (1268, 306930), (1560, 249479), (1574, 247260), (1585, 245544), (1902, 204620), (2361, 164840), (2536, 153465), (3148, 123630), (3170, 122772), (3804, 102310), (3935, 98904), (4121, 94440), (4722, 82420), (4755, 81848), (6296, 61815), (6340, 61386), (7608, 51155), (7870, 49452), (8242, 47220), (9444, 41210), (9510, 40924), (10231, 38040), (11805, 32968), (12363, 31480), (12680, 30693), (15740, 24726), (16484, 23610), (18888, 20605), (19020, 20462)]