415494020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{1459}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 905083200

約数和(自身を除く): 489589180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 491, 580, 982, 1459, 1964, 2455, 2918, 4910, 5836, 7295, 9820, 14239, 14590, 28478, 29180, 42311, 56956, 71195, 84622, 142390, 169244, 211555, 284780, 423110, 716369, 846220, 1432738, 2865476, 3581845, 7163690, 14327380, 20774701, 41549402, 83098804, 103873505, 207747010, 415494020]

約数ペア:

[(1, 415494020), (2, 207747010), (4, 103873505), (5, 83098804), (10, 41549402), (20, 20774701), (29, 14327380), (58, 7163690), (116, 3581845), (145, 2865476), (290, 1432738), (491, 846220), (580, 716369), (982, 423110), (1459, 284780), (1964, 211555), (2455, 169244), (2918, 142390), (4910, 84622), (5836, 71195), (7295, 56956), (9820, 42311), (14239, 29180), (14590, 28478)]