173125625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:339

約数の個数: 40

約数和(自身を含む): 232425600

約数和(自身を除く): 59299975

約数列:

[1, 5, 19, 25, 61, 95, 125, 239, 305, 475, 625, 1159, 1195, 1525, 2375, 4541, 5795, 5975, 7625, 11875, 14579, 22705, 28975, 29875, 38125, 72895, 113525, 144875, 149375, 277001, 364475, 567625, 724375, 1385005, 1822375, 2838125, 6925025, 9111875, 34625125, 173125625]

約数ペア:

[(1, 173125625), (5, 34625125), (19, 9111875), (25, 6925025), (61, 2838125), (95, 1822375), (125, 1385005), (239, 724375), (305, 567625), (475, 364475), (625, 277001), (1159, 149375), (1195, 144875), (1525, 113525), (2375, 72895), (4541, 38125), (5795, 29875), (5975, 28975), (7625, 22705), (11875, 14579)]