201918680

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{29179}}^1$

素因数の和:29363

約数の個数: 32

約数和(自身を含む): 456958800

約数和(自身を除く): 255040120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 29179, 58358, 116716, 145895, 233432, 291790, 583580, 1167160, 5047967, 10095934, 20191868, 25239835, 40383736, 50479670, 100959340, 201918680]

約数ペア:

[(1, 201918680), (2, 100959340), (4, 50479670), (5, 40383736), (8, 25239835), (10, 20191868), (20, 10095934), (40, 5047967), (173, 1167160), (346, 583580), (692, 291790), (865, 233432), (1384, 145895), (1730, 116716), (3460, 58358), (6920, 29179)]