1959940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:148

約数の個数: 36

約数和(自身を含む): 4293324

約数和(自身を除く): 2333384

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 860, 1060, 1849, 2279, 3698, 4558, 7396, 9116, 9245, 11395, 18490, 22790, 36980, 45580, 97997, 195994, 391988, 489985, 979970, 1959940]

約数ペア:

[(1, 1959940), (2, 979970), (4, 489985), (5, 391988), (10, 195994), (20, 97997), (43, 45580), (53, 36980), (86, 22790), (106, 18490), (172, 11395), (212, 9245), (215, 9116), (265, 7396), (430, 4558), (530, 3698), (860, 2279), (1060, 1849)]