204422020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15749}}^1$

素因数の和:15828

約数の個数: 48

約数和(自身を含む): 476280000

約数和(自身を除く): 271857980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 15749, 31498, 62996, 78745, 157490, 173239, 314980, 346478, 692956, 866195, 929191, 1732390, 1858382, 3464780, 3716764, 4645955, 9291910, 10221101, 18583820, 20442202, 40884404, 51105505, 102211010, 204422020]

約数ペア:

[(1, 204422020), (2, 102211010), (4, 51105505), (5, 40884404), (10, 20442202), (11, 18583820), (20, 10221101), (22, 9291910), (44, 4645955), (55, 3716764), (59, 3464780), (110, 1858382), (118, 1732390), (220, 929191), (236, 866195), (295, 692956), (590, 346478), (649, 314980), (1180, 173239), (1298, 157490), (2596, 78745), (3245, 62996), (6490, 31498), (12980, 15749)]