31208540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3299}}^1$

素因数の和:3362

約数の個数: 48

約数和(自身を含む): 73180800

約数和(自身を除く): 41972260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 3299, 4730, 6598, 9460, 13196, 16495, 32990, 36289, 65980, 72578, 141857, 145156, 181445, 283714, 362890, 567428, 709285, 725780, 1418570, 1560427, 2837140, 3120854, 6241708, 7802135, 15604270, 31208540]

約数ペア:

[(1, 31208540), (2, 15604270), (4, 7802135), (5, 6241708), (10, 3120854), (11, 2837140), (20, 1560427), (22, 1418570), (43, 725780), (44, 709285), (55, 567428), (86, 362890), (110, 283714), (172, 181445), (215, 145156), (220, 141857), (430, 72578), (473, 65980), (860, 36289), (946, 32990), (1892, 16495), (2365, 13196), (3299, 9460), (4730, 6598)]