128773990

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{2161}}^1$

素因数の和:2328

約数の個数: 32

約数和(自身を含む): 238165920

約数和(自身を除く): 109391930

約数列:

[1, 2, 5, 10, 59, 101, 118, 202, 295, 505, 590, 1010, 2161, 4322, 5959, 10805, 11918, 21610, 29795, 59590, 127499, 218261, 254998, 436522, 637495, 1091305, 1274990, 2182610, 12877399, 25754798, 64386995, 128773990]

約数ペア:

[(1, 128773990), (2, 64386995), (5, 25754798), (10, 12877399), (59, 2182610), (101, 1274990), (118, 1091305), (202, 637495), (295, 436522), (505, 254998), (590, 218261), (1010, 127499), (2161, 59590), (4322, 29795), (5959, 21610), (10805, 11918)]