200454680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1163}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 469324800

約数和(自身を除く): 268870120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 278, 310, 556, 620, 695, 1112, 1163, 1240, 1390, 2326, 2780, 4309, 4652, 5560, 5815, 8618, 9304, 11630, 17236, 21545, 23260, 34472, 36053, 43090, 46520, 72106, 86180, 144212, 161657, 172360, 180265, 288424, 323314, 360530, 646628, 721060, 808285, 1293256, 1442120, 1616570, 3233140, 5011367, 6466280, 10022734, 20045468, 25056835, 40090936, 50113670, 100227340, 200454680]

約数ペア:

[(1, 200454680), (2, 100227340), (4, 50113670), (5, 40090936), (8, 25056835), (10, 20045468), (20, 10022734), (31, 6466280), (40, 5011367), (62, 3233140), (124, 1616570), (139, 1442120), (155, 1293256), (248, 808285), (278, 721060), (310, 646628), (556, 360530), (620, 323314), (695, 288424), (1112, 180265), (1163, 172360), (1240, 161657), (1390, 144212), (2326, 86180), (2780, 72106), (4309, 46520), (4652, 43090), (5560, 36053), (5815, 34472), (8618, 23260), (9304, 21545), (11630, 17236)]