313263940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{7867}}^1$

素因数の和:8068

約数の個数: 48

約数和(自身を含む): 721715904

約数和(自身を除く): 408451964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1810, 1991, 3620, 3982, 7867, 7964, 9955, 15734, 19910, 31468, 39335, 39820, 78670, 86537, 157340, 173074, 346148, 432685, 865370, 1423927, 1730740, 2847854, 5695708, 7119635, 14239270, 15663197, 28478540, 31326394, 62652788, 78315985, 156631970, 313263940]

約数ペア:

[(1, 313263940), (2, 156631970), (4, 78315985), (5, 62652788), (10, 31326394), (11, 28478540), (20, 15663197), (22, 14239270), (44, 7119635), (55, 5695708), (110, 2847854), (181, 1730740), (220, 1423927), (362, 865370), (724, 432685), (905, 346148), (1810, 173074), (1991, 157340), (3620, 86537), (3982, 78670), (7867, 39820), (7964, 39335), (9955, 31468), (15734, 19910)]