215331380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{33751}}^1$

素因数の和:33800

約数の個数: 48

約数和(自身を含む): 510330240

約数和(自身を除く): 294998860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 33751, 67502, 135004, 168755, 337510, 371261, 675020, 742522, 978779, 1485044, 1856305, 1957558, 3712610, 3915116, 4893895, 7425220, 9787790, 10766569, 19575580, 21533138, 43066276, 53832845, 107665690, 215331380]

約数ペア:

[(1, 215331380), (2, 107665690), (4, 53832845), (5, 43066276), (10, 21533138), (11, 19575580), (20, 10766569), (22, 9787790), (29, 7425220), (44, 4893895), (55, 3915116), (58, 3712610), (110, 1957558), (116, 1856305), (145, 1485044), (220, 978779), (290, 742522), (319, 675020), (580, 371261), (638, 337510), (1276, 168755), (1595, 135004), (3190, 67502), (6380, 33751)]