838776620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{16649}}^1$

素因数の和:16898

約数の個数: 48

約数和(自身を含む): 1930068000

約数和(自身を除く): 1091291380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 458, 916, 1145, 2290, 2519, 4580, 5038, 10076, 12595, 16649, 25190, 33298, 50380, 66596, 83245, 166490, 183139, 332980, 366278, 732556, 915695, 1831390, 3662780, 3812621, 7625242, 15250484, 19063105, 38126210, 41938831, 76252420, 83877662, 167755324, 209694155, 419388310, 838776620]

約数ペア:

[(1, 838776620), (2, 419388310), (4, 209694155), (5, 167755324), (10, 83877662), (11, 76252420), (20, 41938831), (22, 38126210), (44, 19063105), (55, 15250484), (110, 7625242), (220, 3812621), (229, 3662780), (458, 1831390), (916, 915695), (1145, 732556), (2290, 366278), (2519, 332980), (4580, 183139), (5038, 166490), (10076, 83245), (12595, 66596), (16649, 50380), (25190, 33298)]