420509375

素因数分解:

$5^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{941}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 618147936

約数和(自身を除く): 197638561

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 625, 715, 941, 1375, 1625, 3125, 3575, 4705, 6875, 8125, 10351, 12233, 17875, 23525, 34375, 40625, 51755, 61165, 89375, 117625, 134563, 258775, 305825, 446875, 588125, 672815, 1293875, 1529125, 2940625, 3364075, 6469375, 7645625, 16820375, 32346875, 38228125, 84101875, 420509375]

約数ペア:

[(1, 420509375), (5, 84101875), (11, 38228125), (13, 32346875), (25, 16820375), (55, 7645625), (65, 6469375), (125, 3364075), (143, 2940625), (275, 1529125), (325, 1293875), (625, 672815), (715, 588125), (941, 446875), (1375, 305825), (1625, 258775), (3125, 134563), (3575, 117625), (4705, 89375), (6875, 61165), (8125, 51755), (10351, 40625), (12233, 34375), (17875, 23525)]