68280740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2083}}^1$

素因数の和:2252

約数の個数: 48

約数和(自身を含む): 157550400

約数和(自身を除く): 89269660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2083, 2980, 3278, 4166, 6556, 8195, 8332, 10415, 16390, 20830, 22913, 32780, 41660, 45826, 91652, 114565, 229130, 310367, 458260, 620734, 1241468, 1551835, 3103670, 3414037, 6207340, 6828074, 13656148, 17070185, 34140370, 68280740]

約数ペア:

[(1, 68280740), (2, 34140370), (4, 17070185), (5, 13656148), (10, 6828074), (11, 6207340), (20, 3414037), (22, 3103670), (44, 1551835), (55, 1241468), (110, 620734), (149, 458260), (220, 310367), (298, 229130), (596, 114565), (745, 91652), (1490, 45826), (1639, 41660), (2083, 32780), (2980, 22913), (3278, 20830), (4166, 16390), (6556, 10415), (8195, 8332)]