78515870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2459}}^1$

素因数の和:2600

約数の個数: 32

約数和(自身を含む): 147363840

約数和(自身を除く): 68847970

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 1030, 2459, 3193, 4918, 6386, 12295, 15965, 24590, 31930, 76229, 152458, 253277, 381145, 506554, 762290, 1266385, 2532770, 7851587, 15703174, 39257935, 78515870]

約数ペア:

[(1, 78515870), (2, 39257935), (5, 15703174), (10, 7851587), (31, 2532770), (62, 1266385), (103, 762290), (155, 506554), (206, 381145), (310, 253277), (515, 152458), (1030, 76229), (2459, 31930), (3193, 24590), (4918, 15965), (6386, 12295)]