420278375

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 592894848

約数和(自身を除く): 172616473

約数列:

[1, 5, 11, 25, 37, 55, 121, 125, 185, 275, 407, 605, 751, 925, 1375, 2035, 3025, 3755, 4477, 4625, 8261, 10175, 15125, 18775, 22385, 27787, 41305, 50875, 90871, 93875, 111925, 138935, 206525, 305657, 454355, 559625, 694675, 1032625, 1528285, 2271775, 3362227, 3473375, 7641425, 11358875, 16811135, 38207125, 84055675, 420278375]

約数ペア:

[(1, 420278375), (5, 84055675), (11, 38207125), (25, 16811135), (37, 11358875), (55, 7641425), (121, 3473375), (125, 3362227), (185, 2271775), (275, 1528285), (407, 1032625), (605, 694675), (751, 559625), (925, 454355), (1375, 305657), (2035, 206525), (3025, 138935), (3755, 111925), (4477, 93875), (4625, 90871), (8261, 50875), (10175, 41305), (15125, 27787), (18775, 22385)]