28877240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{683}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 74856960

約数和(自身を除く): 45979720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 683, 755, 1057, 1208, 1366, 1510, 2114, 2732, 3020, 3415, 4228, 4781, 5285, 5464, 6040, 6830, 8456, 9562, 10570, 13660, 19124, 21140, 23905, 27320, 38248, 42280, 47810, 95620, 103133, 191240, 206266, 412532, 515665, 721931, 825064, 1031330, 1443862, 2062660, 2887724, 3609655, 4125320, 5775448, 7219310, 14438620, 28877240]

約数ペア:

[(1, 28877240), (2, 14438620), (4, 7219310), (5, 5775448), (7, 4125320), (8, 3609655), (10, 2887724), (14, 2062660), (20, 1443862), (28, 1031330), (35, 825064), (40, 721931), (56, 515665), (70, 412532), (140, 206266), (151, 191240), (280, 103133), (302, 95620), (604, 47810), (683, 42280), (755, 38248), (1057, 27320), (1208, 23905), (1366, 21140), (1510, 19124), (2114, 13660), (2732, 10570), (3020, 9562), (3415, 8456), (4228, 6830), (4781, 6040), (5285, 5464)]