728653900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{560503}}^1$

素因数の和:560530

約数の個数: 36

約数和(自身を含む): 1702811152

約数和(自身を除く): 974157252

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 560503, 1121006, 2242012, 2802515, 5605030, 7286539, 11210060, 14012575, 14573078, 28025150, 29146156, 36432695, 56050300, 72865390, 145730780, 182163475, 364326950, 728653900]

約数ペア:

[(1, 728653900), (2, 364326950), (4, 182163475), (5, 145730780), (10, 72865390), (13, 56050300), (20, 36432695), (25, 29146156), (26, 28025150), (50, 14573078), (52, 14012575), (65, 11210060), (100, 7286539), (130, 5605030), (260, 2802515), (325, 2242012), (650, 1121006), (1300, 560503)]