2104799870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1\times {\mathrm{10303}}^1$

素因数の和:11000

約数の個数: 32

約数和(自身を含む): 3917168640

約数和(自身を除く): 1812368770

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 659, 1318, 3295, 6590, 10303, 20429, 20606, 40858, 51515, 102145, 103030, 204290, 319393, 638786, 1596965, 3193930, 6789677, 13579354, 33948385, 67896770, 210479987, 420959974, 1052399935, 2104799870]

約数ペア:

[(1, 2104799870), (2, 1052399935), (5, 420959974), (10, 210479987), (31, 67896770), (62, 33948385), (155, 13579354), (310, 6789677), (659, 3193930), (1318, 1596965), (3295, 638786), (6590, 319393), (10303, 204290), (20429, 103030), (20606, 102145), (40858, 51515)]