179997925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 247752000

約数和(自身を除く): 67754075

約数列:

[1, 5, 19, 25, 29, 73, 95, 145, 179, 365, 475, 551, 725, 895, 1387, 1825, 2117, 2755, 3401, 4475, 5191, 6935, 10585, 13067, 13775, 17005, 25955, 34675, 40223, 52925, 65335, 85025, 98629, 129775, 201115, 248273, 326675, 378943, 493145, 1005575, 1241365, 1894715, 2465725, 6206825, 7199917, 9473575, 35999585, 179997925]

約数ペア:

[(1, 179997925), (5, 35999585), (19, 9473575), (25, 7199917), (29, 6206825), (73, 2465725), (95, 1894715), (145, 1241365), (179, 1005575), (365, 493145), (475, 378943), (551, 326675), (725, 248273), (895, 201115), (1387, 129775), (1825, 98629), (2117, 85025), (2755, 65335), (3401, 52925), (4475, 40223), (5191, 34675), (6935, 25955), (10585, 17005), (13067, 13775)]