201960440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{881}}^1$

素因数の和:1424

約数の個数: 64

約数和(自身を含む): 497236320

約数和(自身を除く): 295275880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 521, 881, 1042, 1762, 2084, 2605, 3524, 4168, 4405, 5210, 5731, 7048, 8810, 9691, 10420, 11462, 17620, 19382, 20840, 22924, 28655, 35240, 38764, 45848, 48455, 57310, 77528, 96910, 114620, 193820, 229240, 387640, 459001, 918002, 1836004, 2295005, 3672008, 4590010, 5049011, 9180020, 10098022, 18360040, 20196044, 25245055, 40392088, 50490110, 100980220, 201960440]

約数ペア:

[(1, 201960440), (2, 100980220), (4, 50490110), (5, 40392088), (8, 25245055), (10, 20196044), (11, 18360040), (20, 10098022), (22, 9180020), (40, 5049011), (44, 4590010), (55, 3672008), (88, 2295005), (110, 1836004), (220, 918002), (440, 459001), (521, 387640), (881, 229240), (1042, 193820), (1762, 114620), (2084, 96910), (2605, 77528), (3524, 57310), (4168, 48455), (4405, 45848), (5210, 38764), (5731, 35240), (7048, 28655), (8810, 22924), (9691, 20840), (10420, 19382), (11462, 17620)]