204967180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15791}}^1$

素因数の和:15870

約数の個数: 48

約数和(自身を含む): 477550080

約数和(自身を除く): 272582900

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, 15791, 31582, 63164, 78955, 157910, 173701, 315820, 347402, 694804, 868505, 931669, 1737010, 1863338, 3474020, 3726676, 4658345, 9316690, 10248359, 18633380, 20496718, 40993436, 51241795, 102483590, 204967180]

約数ペア:

[(1, 204967180), (2, 102483590), (4, 51241795), (5, 40993436), (10, 20496718), (11, 18633380), (20, 10248359), (22, 9316690), (44, 4658345), (55, 3726676), (59, 3474020), (110, 1863338), (118, 1737010), (220, 931669), (236, 868505), (295, 694804), (590, 347402), (649, 315820), (1180, 173701), (1298, 157910), (2596, 78955), (3245, 63164), (6490, 31582), (12980, 15791)]