289375340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{498923}}^1$

素因数の和:498961

約数の個数: 24

約数和(自身を含む): 628644240

約数和(自身を除く): 339268900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 498923, 997846, 1995692, 2494615, 4989230, 9978460, 14468767, 28937534, 57875068, 72343835, 144687670, 289375340]

約数ペア:

[(1, 289375340), (2, 144687670), (4, 72343835), (5, 57875068), (10, 28937534), (20, 14468767), (29, 9978460), (58, 4989230), (116, 2494615), (145, 1995692), (290, 997846), (580, 498923)]