807905780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{126631}}^1$

素因数の和:126680

約数の個数: 48

約数和(自身を含む): 1914675840

約数和(自身を除く): 1106770060

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, 126631, 253262, 506524, 633155, 1266310, 1392941, 2532620, 2785882, 3672299, 5571764, 6964705, 7344598, 13929410, 14689196, 18361495, 27858820, 36722990, 40395289, 73445980, 80790578, 161581156, 201976445, 403952890, 807905780]

約数ペア:

[(1, 807905780), (2, 403952890), (4, 201976445), (5, 161581156), (10, 80790578), (11, 73445980), (20, 40395289), (22, 36722990), (29, 27858820), (44, 18361495), (55, 14689196), (58, 13929410), (110, 7344598), (116, 6964705), (145, 5571764), (220, 3672299), (290, 2785882), (319, 2532620), (580, 1392941), (638, 1266310), (1276, 633155), (1595, 506524), (3190, 253262), (6380, 126631)]