70224680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 162777600

約数和(自身を除く): 92552920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 79, 142, 158, 284, 313, 316, 355, 395, 568, 626, 632, 710, 790, 1252, 1420, 1565, 1580, 2504, 2840, 3130, 3160, 5609, 6260, 11218, 12520, 22223, 22436, 24727, 28045, 44446, 44872, 49454, 56090, 88892, 98908, 111115, 112180, 123635, 177784, 197816, 222230, 224360, 247270, 444460, 494540, 888920, 989080, 1755617, 3511234, 7022468, 8778085, 14044936, 17556170, 35112340, 70224680]

約数ペア:

[(1, 70224680), (2, 35112340), (4, 17556170), (5, 14044936), (8, 8778085), (10, 7022468), (20, 3511234), (40, 1755617), (71, 989080), (79, 888920), (142, 494540), (158, 444460), (284, 247270), (313, 224360), (316, 222230), (355, 197816), (395, 177784), (568, 123635), (626, 112180), (632, 111115), (710, 98908), (790, 88892), (1252, 56090), (1420, 49454), (1565, 44872), (1580, 44446), (2504, 28045), (2840, 24727), (3130, 22436), (3160, 22223), (5609, 12520), (6260, 11218)]