1277771900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{19157}}^1$

素因数の和:19223

約数の個数: 72

約数和(自身を含む): 2993245920

約数和(自身を除く): 1715474020

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 29, 46, 50, 58, 92, 100, 115, 116, 145, 230, 290, 460, 575, 580, 667, 725, 1150, 1334, 1450, 2300, 2668, 2900, 3335, 6670, 13340, 16675, 19157, 33350, 38314, 66700, 76628, 95785, 191570, 383140, 440611, 478925, 555553, 881222, 957850, 1111106, 1762444, 1915700, 2203055, 2222212, 2777765, 4406110, 5555530, 8812220, 11015275, 11111060, 12777719, 13888825, 22030550, 25555438, 27777650, 44061100, 51110876, 55555300, 63888595, 127777190, 255554380, 319442975, 638885950, 1277771900]

約数ペア:

[(1, 1277771900), (2, 638885950), (4, 319442975), (5, 255554380), (10, 127777190), (20, 63888595), (23, 55555300), (25, 51110876), (29, 44061100), (46, 27777650), (50, 25555438), (58, 22030550), (92, 13888825), (100, 12777719), (115, 11111060), (116, 11015275), (145, 8812220), (230, 5555530), (290, 4406110), (460, 2777765), (575, 2222212), (580, 2203055), (667, 1915700), (725, 1762444), (1150, 1111106), (1334, 957850), (1450, 881222), (2300, 555553), (2668, 478925), (2900, 440611), (3335, 383140), (6670, 191570), (13340, 95785), (16675, 76628), (19157, 66700), (33350, 38314)]