68609860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1723}}^1$

素因数の和:1924

約数の個数: 48

約数和(自身を含む): 158139072

約数和(自身を除く): 89529212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1723, 1810, 1991, 3446, 3620, 3982, 6892, 7964, 8615, 9955, 17230, 18953, 19910, 34460, 37906, 39820, 75812, 94765, 189530, 311863, 379060, 623726, 1247452, 1559315, 3118630, 3430493, 6237260, 6860986, 13721972, 17152465, 34304930, 68609860]

約数ペア:

[(1, 68609860), (2, 34304930), (4, 17152465), (5, 13721972), (10, 6860986), (11, 6237260), (20, 3430493), (22, 3118630), (44, 1559315), (55, 1247452), (110, 623726), (181, 379060), (220, 311863), (362, 189530), (724, 94765), (905, 75812), (1723, 39820), (1810, 37906), (1991, 34460), (3446, 19910), (3620, 18953), (3982, 17230), (6892, 9955), (7964, 8615)]