659804980

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{136889}}^1$

素因数の和:137139

約数の個数: 24

約数和(自身を含む): 1391349960

約数和(自身を除く): 731544980

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 136889, 273778, 547556, 684445, 1368890, 2737780, 32990249, 65980498, 131960996, 164951245, 329902490, 659804980]

約数ペア:

[(1, 659804980), (2, 329902490), (4, 164951245), (5, 131960996), (10, 65980498), (20, 32990249), (241, 2737780), (482, 1368890), (964, 684445), (1205, 547556), (2410, 273778), (4820, 136889)]