338948680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{172933}}^1$

素因数の和:172958

約数の個数: 48

約数和(自身を含む): 887151420

約数和(自身を除く): 548202740

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, 172933, 345866, 691732, 864665, 1210531, 1383464, 1729330, 2421062, 3458660, 4842124, 6052655, 6917320, 8473717, 9684248, 12105310, 16947434, 24210620, 33894868, 42368585, 48421240, 67789736, 84737170, 169474340, 338948680]

約数ペア:

[(1, 338948680), (2, 169474340), (4, 84737170), (5, 67789736), (7, 48421240), (8, 42368585), (10, 33894868), (14, 24210620), (20, 16947434), (28, 12105310), (35, 9684248), (40, 8473717), (49, 6917320), (56, 6052655), (70, 4842124), (98, 3458660), (140, 2421062), (196, 1729330), (245, 1383464), (280, 1210531), (392, 864665), (490, 691732), (980, 345866), (1960, 172933)]