121813780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{553699}}^1$

素因数の和:553719

約数の個数: 24

約数和(自身を含む): 279064800

約数和(自身を除く): 157251020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 553699, 1107398, 2214796, 2768495, 5536990, 6090689, 11073980, 12181378, 24362756, 30453445, 60906890, 121813780]

約数ペア:

[(1, 121813780), (2, 60906890), (4, 30453445), (5, 24362756), (10, 12181378), (11, 11073980), (20, 6090689), (22, 5536990), (44, 2768495), (55, 2214796), (110, 1107398), (220, 553699)]