251482280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{11369}}^1$

素因数の和:11466

約数の個数: 64

約数和(自身を含む): 654912000

約数和(自身を除く): 403429720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 11060, 11369, 22120, 22738, 45476, 56845, 79583, 90952, 113690, 159166, 227380, 318332, 397915, 454760, 636664, 795830, 898151, 1591660, 1796302, 3183320, 3592604, 4490755, 6287057, 7185208, 8981510, 12574114, 17963020, 25148228, 31435285, 35926040, 50296456, 62870570, 125741140, 251482280]

約数ペア:

[(1, 251482280), (2, 125741140), (4, 62870570), (5, 50296456), (7, 35926040), (8, 31435285), (10, 25148228), (14, 17963020), (20, 12574114), (28, 8981510), (35, 7185208), (40, 6287057), (56, 4490755), (70, 3592604), (79, 3183320), (140, 1796302), (158, 1591660), (280, 898151), (316, 795830), (395, 636664), (553, 454760), (632, 397915), (790, 318332), (1106, 227380), (1580, 159166), (2212, 113690), (2765, 90952), (3160, 79583), (4424, 56845), (5530, 45476), (11060, 22738), (11369, 22120)]