30974920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20929}}^1$

素因数の和:20977

約数の個数: 32

約数和(自身を含む): 71580600

約数和(自身を除く): 40605680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 20929, 41858, 83716, 104645, 167432, 209290, 418580, 774373, 837160, 1548746, 3097492, 3871865, 6194984, 7743730, 15487460, 30974920]

約数ペア:

[(1, 30974920), (2, 15487460), (4, 7743730), (5, 6194984), (8, 3871865), (10, 3097492), (20, 1548746), (37, 837160), (40, 774373), (74, 418580), (148, 209290), (185, 167432), (296, 104645), (370, 83716), (740, 41858), (1480, 20929)]