1280491850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{136951}}^1$

素因数の和:136991

約数の個数: 48

約数和(自身を含む): 2751091776

約数和(自身を除く): 1470599926

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 170, 187, 275, 374, 425, 550, 850, 935, 1870, 4675, 9350, 136951, 273902, 684755, 1369510, 1506461, 2328167, 3012922, 3423775, 4656334, 6847550, 7532305, 11640835, 15064610, 23281670, 25609837, 37661525, 51219674, 58204175, 75323050, 116408350, 128049185, 256098370, 640245925, 1280491850]

約数ペア:

[(1, 1280491850), (2, 640245925), (5, 256098370), (10, 128049185), (11, 116408350), (17, 75323050), (22, 58204175), (25, 51219674), (34, 37661525), (50, 25609837), (55, 23281670), (85, 15064610), (110, 11640835), (170, 7532305), (187, 6847550), (275, 4656334), (374, 3423775), (425, 3012922), (550, 2328167), (850, 1506461), (935, 1369510), (1870, 684755), (4675, 273902), (9350, 136951)]