1388596100

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{283}}^1\times {\mathrm{353}}^1$

素因数の和:789

約数の個数: 72

約数和(自身を含む): 3054283680

約数和(自身を除く): 1665687580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 283, 353, 556, 566, 695, 706, 1132, 1390, 1412, 1415, 1765, 2780, 2830, 3475, 3530, 5660, 6950, 7060, 7075, 8825, 13900, 14150, 17650, 28300, 35300, 39337, 49067, 78674, 98134, 99899, 157348, 196268, 196685, 199798, 245335, 393370, 399596, 490670, 499495, 786740, 981340, 983425, 998990, 1226675, 1966850, 1997980, 2453350, 2497475, 3933700, 4906700, 4994950, 9989900, 13885961, 27771922, 55543844, 69429805, 138859610, 277719220, 347149025, 694298050, 1388596100]

約数ペア:

[(1, 1388596100), (2, 694298050), (4, 347149025), (5, 277719220), (10, 138859610), (20, 69429805), (25, 55543844), (50, 27771922), (100, 13885961), (139, 9989900), (278, 4994950), (283, 4906700), (353, 3933700), (556, 2497475), (566, 2453350), (695, 1997980), (706, 1966850), (1132, 1226675), (1390, 998990), (1412, 983425), (1415, 981340), (1765, 786740), (2780, 499495), (2830, 490670), (3475, 399596), (3530, 393370), (5660, 245335), (6950, 199798), (7060, 196685), (7075, 196268), (8825, 157348), (13900, 99899), (14150, 98134), (17650, 78674), (28300, 49067), (35300, 39337)]