1905860450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{6803}}^1$

素因数の和:7259

約数の個数: 48

約数和(自身を含む): 3827005056

約数和(自身を除く): 1921144606

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 431, 650, 862, 2155, 4310, 5603, 6803, 10775, 11206, 13606, 21550, 28015, 34015, 56030, 68030, 88439, 140075, 170075, 176878, 280150, 340150, 442195, 884390, 2210975, 2932093, 4421950, 5864186, 14660465, 29320930, 38117209, 73302325, 76234418, 146604650, 190586045, 381172090, 952930225, 1905860450]

約数ペア:

[(1, 1905860450), (2, 952930225), (5, 381172090), (10, 190586045), (13, 146604650), (25, 76234418), (26, 73302325), (50, 38117209), (65, 29320930), (130, 14660465), (325, 5864186), (431, 4421950), (650, 2932093), (862, 2210975), (2155, 884390), (4310, 442195), (5603, 340150), (6803, 280150), (10775, 176878), (11206, 170075), (13606, 140075), (21550, 88439), (28015, 68030), (34015, 56030)]