69282446980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{172079}}^1$

素因数の和:172620

約数の個数: 48

約数和(自身を含む): 149346167040

約数和(自身を除く): 80063720060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 491, 820, 982, 1964, 2455, 4910, 9820, 20131, 40262, 80524, 100655, 172079, 201310, 344158, 402620, 688316, 860395, 1720790, 3441580, 7055239, 14110478, 28220956, 35276195, 70552390, 84490789, 141104780, 168981578, 337963156, 422453945, 844907890, 1689815780, 3464122349, 6928244698, 13856489396, 17320611745, 34641223490, 69282446980]

約数ペア:

[(1, 69282446980), (2, 34641223490), (4, 17320611745), (5, 13856489396), (10, 6928244698), (20, 3464122349), (41, 1689815780), (82, 844907890), (164, 422453945), (205, 337963156), (410, 168981578), (491, 141104780), (820, 84490789), (982, 70552390), (1964, 35276195), (2455, 28220956), (4910, 14110478), (9820, 7055239), (20131, 3441580), (40262, 1720790), (80524, 860395), (100655, 688316), (172079, 402620), (201310, 344158)]