338850680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{172883}}^1$

素因数の和:172908

約数の個数: 48

約数和(自身を含む): 886894920

約数和(自身を除く): 548044240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 172883, 345766, 691532, 864415, 1210181, 1383064, 1728830, 2420362, 3457660, 4840724, 6050905, 6915320, 8471267, 9681448, 12101810, 16942534, 24203620, 33885068, 42356335, 48407240, 67770136, 84712670, 169425340, 338850680]

約数ペア:

[(1, 338850680), (2, 169425340), (4, 84712670), (5, 67770136), (7, 48407240), (8, 42356335), (10, 33885068), (14, 24203620), (20, 16942534), (28, 12101810), (35, 9681448), (40, 8471267), (49, 6915320), (56, 6050905), (70, 4840724), (98, 3457660), (140, 2420362), (196, 1728830), (245, 1383064), (280, 1210181), (392, 864415), (490, 691532), (980, 345766), (1960, 172883)]