637978090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1\times {\mathrm{2113}}^1$

素因数の和:2506

約数の個数: 32

約数和(自身を含む): 1163630160

約数和(自身を除く): 525652070

約数列:

[1, 2, 5, 10, 109, 218, 277, 545, 554, 1090, 1385, 2113, 2770, 4226, 10565, 21130, 30193, 60386, 150965, 230317, 301930, 460634, 585301, 1151585, 1170602, 2303170, 2926505, 5853010, 63797809, 127595618, 318989045, 637978090]

約数ペア:

[(1, 637978090), (2, 318989045), (5, 127595618), (10, 63797809), (109, 5853010), (218, 2926505), (277, 2303170), (545, 1170602), (554, 1151585), (1090, 585301), (1385, 460634), (2113, 301930), (2770, 230317), (4226, 150965), (10565, 60386), (21130, 30193)]