131763020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{461}}^2$

素因数の和:962

約数の個数: 36

約数和(自身を含む): 286249152

約数和(自身を除く): 154486132

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 461, 620, 922, 1844, 2305, 4610, 9220, 14291, 28582, 57164, 71455, 142910, 212521, 285820, 425042, 850084, 1062605, 2125210, 4250420, 6588151, 13176302, 26352604, 32940755, 65881510, 131763020]

約数ペア:

[(1, 131763020), (2, 65881510), (4, 32940755), (5, 26352604), (10, 13176302), (20, 6588151), (31, 4250420), (62, 2125210), (124, 1062605), (155, 850084), (310, 425042), (461, 285820), (620, 212521), (922, 142910), (1844, 71455), (2305, 57164), (4610, 28582), (9220, 14291)]