403460350

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1987}}^1$

素因数の和:2161

約数の個数: 48

約数和(自身を含む): 780950016

約数和(自身を除く): 377489666

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 131, 155, 262, 310, 655, 775, 1310, 1550, 1987, 3275, 3974, 4061, 6550, 8122, 9935, 19870, 20305, 40610, 49675, 61597, 99350, 101525, 123194, 203050, 260297, 307985, 520594, 615970, 1301485, 1539925, 2602970, 3079850, 6507425, 8069207, 13014850, 16138414, 40346035, 80692070, 201730175, 403460350]

約数ペア:

[(1, 403460350), (2, 201730175), (5, 80692070), (10, 40346035), (25, 16138414), (31, 13014850), (50, 8069207), (62, 6507425), (131, 3079850), (155, 2602970), (262, 1539925), (310, 1301485), (655, 615970), (775, 520594), (1310, 307985), (1550, 260297), (1987, 203050), (3275, 123194), (3974, 101525), (4061, 99350), (6550, 61597), (8122, 49675), (9935, 40610), (19870, 20305)]