31229660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2897}}^1$

素因数の和:2931

約数の個数: 72

約数和(自身を含む): 83253744

約数和(自身を除く): 52024084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 2897, 5390, 5794, 10780, 11588, 14485, 20279, 28970, 31867, 40558, 57940, 63734, 81116, 101395, 127468, 141953, 159335, 202790, 223069, 283906, 318670, 405580, 446138, 567812, 637340, 709765, 892276, 1115345, 1419530, 1561483, 2230690, 2839060, 3122966, 4461380, 6245932, 7807415, 15614830, 31229660]

約数ペア:

[(1, 31229660), (2, 15614830), (4, 7807415), (5, 6245932), (7, 4461380), (10, 3122966), (11, 2839060), (14, 2230690), (20, 1561483), (22, 1419530), (28, 1115345), (35, 892276), (44, 709765), (49, 637340), (55, 567812), (70, 446138), (77, 405580), (98, 318670), (110, 283906), (140, 223069), (154, 202790), (196, 159335), (220, 141953), (245, 127468), (308, 101395), (385, 81116), (490, 63734), (539, 57940), (770, 40558), (980, 31867), (1078, 28970), (1540, 20279), (2156, 14485), (2695, 11588), (2897, 10780), (5390, 5794)]