87898870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1\times {\mathrm{829}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 165654720

約数和(自身を除く): 77755850

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 461, 829, 922, 1658, 2305, 4145, 4610, 8290, 10603, 19067, 21206, 38134, 53015, 95335, 106030, 190670, 382169, 764338, 1910845, 3821690, 8789887, 17579774, 43949435, 87898870]

約数ペア:

[(1, 87898870), (2, 43949435), (5, 17579774), (10, 8789887), (23, 3821690), (46, 1910845), (115, 764338), (230, 382169), (461, 190670), (829, 106030), (922, 95335), (1658, 53015), (2305, 38134), (4145, 21206), (4610, 19067), (8290, 10603)]