290421375

素因数分解:

$3^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{103}}^2$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 494683488

約数和(自身を除く): 204262113

約数列:

[1, 3, 5, 15, 25, 73, 75, 103, 125, 219, 309, 365, 375, 515, 1095, 1545, 1825, 2575, 5475, 7519, 7725, 9125, 10609, 12875, 22557, 27375, 31827, 37595, 38625, 53045, 112785, 159135, 187975, 265225, 563925, 774457, 795675, 939875, 1326125, 2323371, 2819625, 3872285, 3978375, 11616855, 19361425, 58084275, 96807125, 290421375]

約数ペア:

[(1, 290421375), (3, 96807125), (5, 58084275), (15, 19361425), (25, 11616855), (73, 3978375), (75, 3872285), (103, 2819625), (125, 2323371), (219, 1326125), (309, 939875), (365, 795675), (375, 774457), (515, 563925), (1095, 265225), (1545, 187975), (1825, 159135), (2575, 112785), (5475, 53045), (7519, 38625), (7725, 37595), (9125, 31827), (10609, 27375), (12875, 22557)]