129776900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{117979}}^1$

素因数の和:118004

約数の個数: 36

約数和(自身を含む): 307219920

約数和(自身を除く): 177443020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 117979, 235958, 471916, 589895, 1179790, 1297769, 2359580, 2595538, 2949475, 5191076, 5898950, 6488845, 11797900, 12977690, 25955380, 32444225, 64888450, 129776900]

約数ペア:

[(1, 129776900), (2, 64888450), (4, 32444225), (5, 25955380), (10, 12977690), (11, 11797900), (20, 6488845), (22, 5898950), (25, 5191076), (44, 2949475), (50, 2595538), (55, 2359580), (100, 1297769), (110, 1179790), (220, 589895), (275, 471916), (550, 235958), (1100, 117979)]