499688420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{324473}}^1$

素因数の和:324500

約数の個数: 48

約数和(自身を含む): 1308279168

約数和(自身を除く): 808590748

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 324473, 648946, 1297892, 1622365, 2271311, 3244730, 3569203, 4542622, 6489460, 7138406, 9085244, 11356555, 14276812, 17846015, 22713110, 24984421, 35692030, 45426220, 49968842, 71384060, 99937684, 124922105, 249844210, 499688420]

約数ペア:

[(1, 499688420), (2, 249844210), (4, 124922105), (5, 99937684), (7, 71384060), (10, 49968842), (11, 45426220), (14, 35692030), (20, 24984421), (22, 22713110), (28, 17846015), (35, 14276812), (44, 11356555), (55, 9085244), (70, 7138406), (77, 6489460), (110, 4542622), (140, 3569203), (154, 3244730), (220, 2271311), (308, 1622365), (385, 1297892), (770, 648946), (1540, 324473)]