90420316

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{487}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 191296000

約数和(自身を除く): 100875684

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 349, 487, 532, 698, 974, 1396, 1948, 2443, 3409, 4886, 6631, 6818, 9253, 9772, 13262, 13636, 18506, 26524, 37012, 46417, 64771, 92834, 129542, 169963, 185668, 259084, 339926, 679852, 1189741, 2379482, 3229297, 4758964, 6458594, 12917188, 22605079, 45210158, 90420316]

約数ペア:

[(1, 90420316), (2, 45210158), (4, 22605079), (7, 12917188), (14, 6458594), (19, 4758964), (28, 3229297), (38, 2379482), (76, 1189741), (133, 679852), (266, 339926), (349, 259084), (487, 185668), (532, 169963), (698, 129542), (974, 92834), (1396, 64771), (1948, 46417), (2443, 37012), (3409, 26524), (4886, 18506), (6631, 13636), (6818, 13262), (9253, 9772)]