201640844

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 380133600

約数和(自身を除く): 178492756

約数列:

[1, 2, 4, 19, 38, 76, 101, 109, 202, 218, 241, 404, 436, 482, 964, 1919, 2071, 3838, 4142, 4579, 7676, 8284, 9158, 11009, 18316, 22018, 24341, 26269, 44036, 48682, 52538, 97364, 105076, 209171, 418342, 462479, 499111, 836684, 924958, 998222, 1849916, 1996444, 2653169, 5306338, 10612676, 50410211, 100820422, 201640844]

約数ペア:

[(1, 201640844), (2, 100820422), (4, 50410211), (19, 10612676), (38, 5306338), (76, 2653169), (101, 1996444), (109, 1849916), (202, 998222), (218, 924958), (241, 836684), (404, 499111), (436, 462479), (482, 418342), (964, 209171), (1919, 105076), (2071, 97364), (3838, 52538), (4142, 48682), (4579, 44036), (7676, 26269), (8284, 24341), (9158, 22018), (11009, 18316)]