3500000020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1446281}}^1$

素因数の和:1446312

約数の個数: 36

約数和(自身を含む): 8078931252

約数和(自身を除く): 4578931232

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 1446281, 2892562, 5785124, 7231405, 14462810, 15909091, 28925620, 31818182, 63636364, 79545455, 159090910, 175000001, 318181820, 350000002, 700000004, 875000005, 1750000010, 3500000020]

約数ペア:

[(1, 3500000020), (2, 1750000010), (4, 875000005), (5, 700000004), (10, 350000002), (11, 318181820), (20, 175000001), (22, 159090910), (44, 79545455), (55, 63636364), (110, 31818182), (121, 28925620), (220, 15909091), (242, 14462810), (484, 7231405), (605, 5785124), (1210, 2892562), (2420, 1446281)]