88919320

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{6481}}^1$

素因数の和:6513

約数の個数: 64

約数和(自身を含む): 233352000

約数和(自身を除く): 144432680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6481, 6860, 12962, 13720, 25924, 32405, 45367, 51848, 64810, 90734, 129620, 181468, 226835, 259240, 317569, 362936, 453670, 635138, 907340, 1270276, 1587845, 1814680, 2222983, 2540552, 3175690, 4445966, 6351380, 8891932, 11114915, 12702760, 17783864, 22229830, 44459660, 88919320]

約数ペア:

[(1, 88919320), (2, 44459660), (4, 22229830), (5, 17783864), (7, 12702760), (8, 11114915), (10, 8891932), (14, 6351380), (20, 4445966), (28, 3175690), (35, 2540552), (40, 2222983), (49, 1814680), (56, 1587845), (70, 1270276), (98, 907340), (140, 635138), (196, 453670), (245, 362936), (280, 317569), (343, 259240), (392, 226835), (490, 181468), (686, 129620), (980, 90734), (1372, 64810), (1715, 51848), (1960, 45367), (2744, 32405), (3430, 25924), (6481, 13720), (6860, 12962)]