217001460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{278207}}^1$

素因数の和:278232

約数の個数: 48

約数和(自身を含む): 654345216

約数和(自身を除く): 437343756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 278207, 556414, 834621, 1112828, 1391035, 1669242, 2782070, 3338484, 3616691, 4173105, 5564140, 7233382, 8346210, 10850073, 14466764, 16692420, 18083455, 21700146, 36166910, 43400292, 54250365, 72333820, 108500730, 217001460]

約数ペア:

[(1, 217001460), (2, 108500730), (3, 72333820), (4, 54250365), (5, 43400292), (6, 36166910), (10, 21700146), (12, 18083455), (13, 16692420), (15, 14466764), (20, 10850073), (26, 8346210), (30, 7233382), (39, 5564140), (52, 4173105), (60, 3616691), (65, 3338484), (78, 2782070), (130, 1669242), (156, 1391035), (195, 1112828), (260, 834621), (390, 556414), (780, 278207)]