28399020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1631

約数の個数: 96

約数和(自身を含む): 89413632

約数和(自身を除く): 61014612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1196, 1380, 1495, 1583, 1794, 2990, 3166, 3588, 4485, 4749, 5980, 6332, 7915, 8970, 9498, 15830, 17940, 18996, 20579, 23745, 31660, 36409, 41158, 47490, 61737, 72818, 82316, 94980, 102895, 109227, 123474, 145636, 182045, 205790, 218454, 246948, 308685, 364090, 411580, 436908, 473317, 546135, 617370, 728180, 946634, 1092270, 1234740, 1419951, 1893268, 2184540, 2366585, 2839902, 4733170, 5679804, 7099755, 9466340, 14199510, 28399020]

約数ペア:

[(1, 28399020), (2, 14199510), (3, 9466340), (4, 7099755), (5, 5679804), (6, 4733170), (10, 2839902), (12, 2366585), (13, 2184540), (15, 1893268), (20, 1419951), (23, 1234740), (26, 1092270), (30, 946634), (39, 728180), (46, 617370), (52, 546135), (60, 473317), (65, 436908), (69, 411580), (78, 364090), (92, 308685), (115, 246948), (130, 218454), (138, 205790), (156, 182045), (195, 145636), (230, 123474), (260, 109227), (276, 102895), (299, 94980), (345, 82316), (390, 72818), (460, 61737), (598, 47490), (690, 41158), (780, 36409), (897, 31660), (1196, 23745), (1380, 20579), (1495, 18996), (1583, 17940), (1794, 15830), (2990, 9498), (3166, 8970), (3588, 7915), (4485, 6332), (4749, 5980)]