120147220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{146521}}^1$

素因数の和:146571

約数の個数: 24

約数和(自身を含む): 258464808

約数和(自身を除く): 138317588

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 146521, 293042, 586084, 732605, 1465210, 2930420, 6007361, 12014722, 24029444, 30036805, 60073610, 120147220]

約数ペア:

[(1, 120147220), (2, 60073610), (4, 30036805), (5, 24029444), (10, 12014722), (20, 6007361), (41, 2930420), (82, 1465210), (164, 732605), (205, 586084), (410, 293042), (820, 146521)]