88821880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2129}}^1$

素因数の和:2296

約数の個数: 64

約数和(自身を含む): 230040000

約数和(自身を除く): 141218120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2129, 2980, 4172, 4258, 5215, 5960, 8344, 8516, 10430, 10645, 14903, 17032, 20860, 21290, 29806, 41720, 42580, 59612, 74515, 85160, 119224, 149030, 298060, 317221, 596120, 634442, 1268884, 1586105, 2220547, 2537768, 3172210, 4441094, 6344420, 8882188, 11102735, 12688840, 17764376, 22205470, 44410940, 88821880]

約数ペア:

[(1, 88821880), (2, 44410940), (4, 22205470), (5, 17764376), (7, 12688840), (8, 11102735), (10, 8882188), (14, 6344420), (20, 4441094), (28, 3172210), (35, 2537768), (40, 2220547), (56, 1586105), (70, 1268884), (140, 634442), (149, 596120), (280, 317221), (298, 298060), (596, 149030), (745, 119224), (1043, 85160), (1192, 74515), (1490, 59612), (2086, 42580), (2129, 41720), (2980, 29806), (4172, 21290), (4258, 20860), (5215, 17032), (5960, 14903), (8344, 10645), (8516, 10430)]