2787490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 5598720

約数和(自身を除く): 2811230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 863, 1615, 1726, 3230, 4315, 8630, 14671, 16397, 29342, 32794, 73355, 81985, 146710, 163970, 278749, 557498, 1393745, 2787490]

約数ペア:

[(1, 2787490), (2, 1393745), (5, 557498), (10, 278749), (17, 163970), (19, 146710), (34, 81985), (38, 73355), (85, 32794), (95, 29342), (170, 16397), (190, 14671), (323, 8630), (646, 4315), (863, 3230), (1615, 1726)]