213639400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:803

約数の個数: 96

約数和(自身を含む): 539965440

約数和(自身を除く): 326326040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 127, 130, 200, 254, 260, 325, 508, 520, 635, 647, 650, 1016, 1270, 1294, 1300, 1651, 2540, 2588, 2600, 3175, 3235, 3302, 5080, 5176, 6350, 6470, 6604, 8255, 8411, 12700, 12940, 13208, 16175, 16510, 16822, 25400, 25880, 32350, 33020, 33644, 41275, 42055, 64700, 66040, 67288, 82169, 82550, 84110, 129400, 164338, 165100, 168220, 210275, 328676, 330200, 336440, 410845, 420550, 657352, 821690, 841100, 1068197, 1643380, 1682200, 2054225, 2136394, 3286760, 4108450, 4272788, 5340985, 8216900, 8545576, 10681970, 16433800, 21363940, 26704925, 42727880, 53409850, 106819700, 213639400]

約数ペア:

[(1, 213639400), (2, 106819700), (4, 53409850), (5, 42727880), (8, 26704925), (10, 21363940), (13, 16433800), (20, 10681970), (25, 8545576), (26, 8216900), (40, 5340985), (50, 4272788), (52, 4108450), (65, 3286760), (100, 2136394), (104, 2054225), (127, 1682200), (130, 1643380), (200, 1068197), (254, 841100), (260, 821690), (325, 657352), (508, 420550), (520, 410845), (635, 336440), (647, 330200), (650, 328676), (1016, 210275), (1270, 168220), (1294, 165100), (1300, 164338), (1651, 129400), (2540, 84110), (2588, 82550), (2600, 82169), (3175, 67288), (3235, 66040), (3302, 64700), (5080, 42055), (5176, 41275), (6350, 33644), (6470, 33020), (6604, 32350), (8255, 25880), (8411, 25400), (12700, 16822), (12940, 16510), (13208, 16175)]