1031798180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{49463}}^1$

素因数の和:49628

約数の個数: 48

約数和(自身を含む): 2492985600

約数和(自身を除く): 1461187420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 20860, 49463, 98926, 197852, 247315, 346241, 494630, 692482, 989260, 1384964, 1731205, 3462410, 6924820, 7369987, 14739974, 29479948, 36849935, 51589909, 73699870, 103179818, 147399740, 206359636, 257949545, 515899090, 1031798180]

約数ペア:

[(1, 1031798180), (2, 515899090), (4, 257949545), (5, 206359636), (7, 147399740), (10, 103179818), (14, 73699870), (20, 51589909), (28, 36849935), (35, 29479948), (70, 14739974), (140, 7369987), (149, 6924820), (298, 3462410), (596, 1731205), (745, 1384964), (1043, 989260), (1490, 692482), (2086, 494630), (2980, 346241), (4172, 247315), (5215, 197852), (10430, 98926), (20860, 49463)]