133555820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 286554240

約数和(自身を除く): 152998420

約数列:

[1, 2, 4, 5, 10, 20, 79, 137, 158, 274, 316, 395, 548, 617, 685, 790, 1234, 1370, 1580, 2468, 2740, 3085, 6170, 10823, 12340, 21646, 43292, 48743, 54115, 84529, 97486, 108230, 169058, 194972, 216460, 243715, 338116, 422645, 487430, 845290, 974860, 1690580, 6677791, 13355582, 26711164, 33388955, 66777910, 133555820]

約数ペア:

[(1, 133555820), (2, 66777910), (4, 33388955), (5, 26711164), (10, 13355582), (20, 6677791), (79, 1690580), (137, 974860), (158, 845290), (274, 487430), (316, 422645), (395, 338116), (548, 243715), (617, 216460), (685, 194972), (790, 169058), (1234, 108230), (1370, 97486), (1580, 84529), (2468, 54115), (2740, 48743), (3085, 43292), (6170, 21646), (10823, 12340)]