319226440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4481}}^1$

素因数の和:4642

約数の個数: 64

約数和(自身を含む): 779330160

約数和(自身を除く): 460103720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 1096, 1370, 1781, 2740, 3562, 4481, 5480, 7124, 8905, 8962, 14248, 17810, 17924, 22405, 35620, 35848, 44810, 58253, 71240, 89620, 116506, 179240, 233012, 291265, 466024, 582530, 613897, 1165060, 1227794, 2330120, 2455588, 3069485, 4911176, 6138970, 7980661, 12277940, 15961322, 24555880, 31922644, 39903305, 63845288, 79806610, 159613220, 319226440]

約数ペア:

[(1, 319226440), (2, 159613220), (4, 79806610), (5, 63845288), (8, 39903305), (10, 31922644), (13, 24555880), (20, 15961322), (26, 12277940), (40, 7980661), (52, 6138970), (65, 4911176), (104, 3069485), (130, 2455588), (137, 2330120), (260, 1227794), (274, 1165060), (520, 613897), (548, 582530), (685, 466024), (1096, 291265), (1370, 233012), (1781, 179240), (2740, 116506), (3562, 89620), (4481, 71240), (5480, 58253), (7124, 44810), (8905, 35848), (8962, 35620), (14248, 22405), (17810, 17924)]