356056540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{863}}^1$

素因数の和:1307

約数の個数: 72

約数和(自身を含む): 872871552

約数和(自身を除く): 516815012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 421, 490, 842, 863, 980, 1684, 1726, 2105, 2947, 3452, 4210, 4315, 5894, 6041, 8420, 8630, 11788, 12082, 14735, 17260, 20629, 24164, 29470, 30205, 41258, 42287, 58940, 60410, 82516, 84574, 103145, 120820, 169148, 206290, 211435, 363323, 412580, 422870, 726646, 845740, 1453292, 1816615, 2543261, 3633230, 5086522, 7266460, 10173044, 12716305, 17802827, 25432610, 35605654, 50865220, 71211308, 89014135, 178028270, 356056540]

約数ペア:

[(1, 356056540), (2, 178028270), (4, 89014135), (5, 71211308), (7, 50865220), (10, 35605654), (14, 25432610), (20, 17802827), (28, 12716305), (35, 10173044), (49, 7266460), (70, 5086522), (98, 3633230), (140, 2543261), (196, 1816615), (245, 1453292), (421, 845740), (490, 726646), (842, 422870), (863, 412580), (980, 363323), (1684, 211435), (1726, 206290), (2105, 169148), (2947, 120820), (3452, 103145), (4210, 84574), (4315, 82516), (5894, 60410), (6041, 58940), (8420, 42287), (8630, 41258), (11788, 30205), (12082, 29470), (14735, 24164), (17260, 20629)]