219094580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1487}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 472469760

約数和(自身を除く): 253375180

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 139, 212, 265, 278, 530, 556, 695, 1060, 1390, 1487, 2780, 2974, 5948, 7367, 7435, 14734, 14870, 29468, 29740, 36835, 73670, 78811, 147340, 157622, 206693, 315244, 394055, 413386, 788110, 826772, 1033465, 1576220, 2066930, 4133860, 10954729, 21909458, 43818916, 54773645, 109547290, 219094580]

約数ペア:

[(1, 219094580), (2, 109547290), (4, 54773645), (5, 43818916), (10, 21909458), (20, 10954729), (53, 4133860), (106, 2066930), (139, 1576220), (212, 1033465), (265, 826772), (278, 788110), (530, 413386), (556, 394055), (695, 315244), (1060, 206693), (1390, 157622), (1487, 147340), (2780, 78811), (2974, 73670), (5948, 36835), (7367, 29740), (7435, 29468), (14734, 14870)]