9118780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 21097440

約数和(自身を除く): 11978660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 229, 362, 458, 724, 905, 916, 1145, 1810, 1991, 2290, 2519, 3620, 3982, 4580, 5038, 7964, 9955, 10076, 12595, 19910, 25190, 39820, 41449, 50380, 82898, 165796, 207245, 414490, 455939, 828980, 911878, 1823756, 2279695, 4559390, 9118780]

約数ペア:

[(1, 9118780), (2, 4559390), (4, 2279695), (5, 1823756), (10, 911878), (11, 828980), (20, 455939), (22, 414490), (44, 207245), (55, 165796), (110, 82898), (181, 50380), (220, 41449), (229, 39820), (362, 25190), (458, 19910), (724, 12595), (905, 10076), (916, 9955), (1145, 7964), (1810, 5038), (1991, 4580), (2290, 3982), (2519, 3620)]