74869375

素因数分解:

$5^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 40

約数和(自身を含む): 108590240

約数和(自身を除く): 33720865

約数列:

[1, 5, 7, 25, 35, 109, 125, 157, 175, 545, 625, 763, 785, 875, 1099, 2725, 3815, 3925, 4375, 5495, 13625, 17113, 19075, 19625, 27475, 68125, 85565, 95375, 98125, 119791, 137375, 427825, 476875, 598955, 686875, 2139125, 2994775, 10695625, 14973875, 74869375]

約数ペア:

[(1, 74869375), (5, 14973875), (7, 10695625), (25, 2994775), (35, 2139125), (109, 686875), (125, 598955), (157, 476875), (175, 427825), (545, 137375), (625, 119791), (763, 98125), (785, 95375), (875, 85565), (1099, 68125), (2725, 27475), (3815, 19625), (3925, 19075), (4375, 17113), (5495, 13625)]