289135220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{45319}}^1$

素因数の和:45368

約数の個数: 48

約数和(自身を含む): 685238400

約数和(自身を除く): 396103180

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, 45319, 90638, 181276, 226595, 453190, 498509, 906380, 997018, 1314251, 1994036, 2492545, 2628502, 4985090, 5257004, 6571255, 9970180, 13142510, 14456761, 26285020, 28913522, 57827044, 72283805, 144567610, 289135220]

約数ペア:

[(1, 289135220), (2, 144567610), (4, 72283805), (5, 57827044), (10, 28913522), (11, 26285020), (20, 14456761), (22, 13142510), (29, 9970180), (44, 6571255), (55, 5257004), (58, 4985090), (110, 2628502), (116, 2492545), (145, 1994036), (220, 1314251), (290, 997018), (319, 906380), (580, 498509), (638, 453190), (1276, 226595), (1595, 181276), (3190, 90638), (6380, 45319)]