287081680

素因数分解:

$2^4\times 5^1\times {\mathrm{977}}^1\times {\mathrm{3673}}^1$

素因数の和:4663

約数の個数: 40

約数和(自身を含む): 668329992

約数和(自身を除く): 381248312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 977, 1954, 3673, 3908, 4885, 7346, 7816, 9770, 14692, 15632, 18365, 19540, 29384, 36730, 39080, 58768, 73460, 78160, 146920, 293840, 3588521, 7177042, 14354084, 17942605, 28708168, 35885210, 57416336, 71770420, 143540840, 287081680]

約数ペア:

[(1, 287081680), (2, 143540840), (4, 71770420), (5, 57416336), (8, 35885210), (10, 28708168), (16, 17942605), (20, 14354084), (40, 7177042), (80, 3588521), (977, 293840), (1954, 146920), (3673, 78160), (3908, 73460), (4885, 58768), (7346, 39080), (7816, 36730), (9770, 29384), (14692, 19540), (15632, 18365)]