2617780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 6116544

約数和(自身を除く): 3498764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 163, 220, 292, 326, 365, 652, 730, 803, 815, 1460, 1606, 1630, 1793, 3212, 3260, 3586, 4015, 7172, 8030, 8965, 11899, 16060, 17930, 23798, 35860, 47596, 59495, 118990, 130889, 237980, 261778, 523556, 654445, 1308890, 2617780]

約数ペア:

[(1, 2617780), (2, 1308890), (4, 654445), (5, 523556), (10, 261778), (11, 237980), (20, 130889), (22, 118990), (44, 59495), (55, 47596), (73, 35860), (110, 23798), (146, 17930), (163, 16060), (220, 11899), (292, 8965), (326, 8030), (365, 7172), (652, 4015), (730, 3586), (803, 3260), (815, 3212), (1460, 1793), (1606, 1630)]