313680620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1425821}}^1$

素因数の和:1425841

約数の個数: 24

約数和(自身を含む): 718614288

約数和(自身を除く): 404933668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1425821, 2851642, 5703284, 7129105, 14258210, 15684031, 28516420, 31368062, 62736124, 78420155, 156840310, 313680620]

約数ペア:

[(1, 313680620), (2, 156840310), (4, 78420155), (5, 62736124), (10, 31368062), (11, 28516420), (20, 15684031), (22, 14258210), (44, 7129105), (55, 5703284), (110, 2851642), (220, 1425821)]