394095280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2267}}^1$

素因数の和:2374

約数の個数: 80

約数和(自身を含む): 956751264

約数和(自身を除く): 562655984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 53, 80, 82, 106, 164, 205, 212, 265, 328, 410, 424, 530, 656, 820, 848, 1060, 1640, 2120, 2173, 2267, 3280, 4240, 4346, 4534, 8692, 9068, 10865, 11335, 17384, 18136, 21730, 22670, 34768, 36272, 43460, 45340, 86920, 90680, 92947, 120151, 173840, 181360, 185894, 240302, 371788, 464735, 480604, 600755, 743576, 929470, 961208, 1201510, 1487152, 1858940, 1922416, 2403020, 3717880, 4806040, 4926191, 7435760, 9612080, 9852382, 19704764, 24630955, 39409528, 49261910, 78819056, 98523820, 197047640, 394095280]

約数ペア:

[(1, 394095280), (2, 197047640), (4, 98523820), (5, 78819056), (8, 49261910), (10, 39409528), (16, 24630955), (20, 19704764), (40, 9852382), (41, 9612080), (53, 7435760), (80, 4926191), (82, 4806040), (106, 3717880), (164, 2403020), (205, 1922416), (212, 1858940), (265, 1487152), (328, 1201510), (410, 961208), (424, 929470), (530, 743576), (656, 600755), (820, 480604), (848, 464735), (1060, 371788), (1640, 240302), (2120, 185894), (2173, 181360), (2267, 173840), (3280, 120151), (4240, 92947), (4346, 90680), (4534, 86920), (8692, 45340), (9068, 43460), (10865, 36272), (11335, 34768), (17384, 22670), (18136, 21730)]