2491970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 5004720

約数和(自身を除く): 2512750

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 661, 754, 1322, 1885, 3305, 3770, 6610, 8593, 17186, 19169, 38338, 42965, 85930, 95845, 191690, 249197, 498394, 1245985, 2491970]

約数ペア:

[(1, 2491970), (2, 1245985), (5, 498394), (10, 249197), (13, 191690), (26, 95845), (29, 85930), (58, 42965), (65, 38338), (130, 19169), (145, 17186), (290, 8593), (377, 6610), (661, 3770), (754, 3305), (1322, 1885)]