74991875

素因数分解:

$5^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:369

約数の個数: 40

約数和(自身を含む): 109240032

約数和(自身を除く): 34248157

約数列:

[1, 5, 7, 25, 35, 61, 125, 175, 281, 305, 427, 625, 875, 1405, 1525, 1967, 2135, 4375, 7025, 7625, 9835, 10675, 17141, 35125, 38125, 49175, 53375, 85705, 119987, 175625, 245875, 266875, 428525, 599935, 1229375, 2142625, 2999675, 10713125, 14998375, 74991875]

約数ペア:

[(1, 74991875), (5, 14998375), (7, 10713125), (25, 2999675), (35, 2142625), (61, 1229375), (125, 599935), (175, 428525), (281, 266875), (305, 245875), (427, 175625), (625, 119987), (875, 85705), (1405, 53375), (1525, 49175), (1967, 38125), (2135, 35125), (4375, 17141), (7025, 10675), (7625, 9835)]