2104375

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:77

約数の個数: 40

約数和(自身を含む): 3323936

約数和(自身を除く): 1219561

約数列:

[1, 5, 7, 13, 25, 35, 37, 65, 91, 125, 175, 185, 259, 325, 455, 481, 625, 875, 925, 1295, 1625, 2275, 2405, 3367, 4375, 4625, 6475, 8125, 11375, 12025, 16835, 23125, 32375, 56875, 60125, 84175, 161875, 300625, 420875, 2104375]

約数ペア:

[(1, 2104375), (5, 420875), (7, 300625), (13, 161875), (25, 84175), (35, 60125), (37, 56875), (65, 32375), (91, 23125), (125, 16835), (175, 12025), (185, 11375), (259, 8125), (325, 6475), (455, 4625), (481, 4375), (625, 3367), (875, 2405), (925, 2275), (1295, 1625)]