181812940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149027}}^1$

素因数の和:149097

約数の個数: 24

約数和(自身を含む): 388068912

約数和(自身を除く): 206255972

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 149027, 298054, 596108, 745135, 1490270, 2980540, 9090647, 18181294, 36362588, 45453235, 90906470, 181812940]

約数ペア:

[(1, 181812940), (2, 90906470), (4, 45453235), (5, 36362588), (10, 18181294), (20, 9090647), (61, 2980540), (122, 1490270), (244, 745135), (305, 596108), (610, 298054), (1220, 149027)]