487743380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{2819}}^1$

素因数の和:3080

約数の個数: 48

約数和(自身を含む): 1054589760

約数和(自身を除く): 566846380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 211, 410, 422, 820, 844, 1055, 2110, 2819, 4220, 5638, 8651, 11276, 14095, 17302, 28190, 34604, 43255, 56380, 86510, 115579, 173020, 231158, 462316, 577895, 594809, 1155790, 1189618, 2311580, 2379236, 2974045, 5948090, 11896180, 24387169, 48774338, 97548676, 121935845, 243871690, 487743380]

約数ペア:

[(1, 487743380), (2, 243871690), (4, 121935845), (5, 97548676), (10, 48774338), (20, 24387169), (41, 11896180), (82, 5948090), (164, 2974045), (205, 2379236), (211, 2311580), (410, 1189618), (422, 1155790), (820, 594809), (844, 577895), (1055, 462316), (2110, 231158), (2819, 173020), (4220, 115579), (5638, 86510), (8651, 56380), (11276, 43255), (14095, 34604), (17302, 28190)]