74445825

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 129991680

約数和(自身を除く): 55545855

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 103, 115, 309, 345, 419, 515, 575, 1257, 1545, 1725, 2095, 2369, 2575, 6285, 7107, 7725, 9637, 10475, 11845, 28911, 31425, 35535, 43157, 48185, 59225, 129471, 144555, 177675, 215785, 240925, 647355, 722775, 992611, 1078925, 2977833, 3236775, 4963055, 14889165, 24815275, 74445825]

約数ペア:

[(1, 74445825), (3, 24815275), (5, 14889165), (15, 4963055), (23, 3236775), (25, 2977833), (69, 1078925), (75, 992611), (103, 722775), (115, 647355), (309, 240925), (345, 215785), (419, 177675), (515, 144555), (575, 129471), (1257, 59225), (1545, 48185), (1725, 43157), (2095, 35535), (2369, 31425), (2575, 28911), (6285, 11845), (7107, 10475), (7725, 9637)]