8734220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 21273840

約数和(自身を除く): 12539620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 37, 44, 55, 58, 74, 110, 116, 145, 148, 185, 220, 290, 319, 370, 407, 580, 638, 740, 814, 1073, 1276, 1369, 1595, 1628, 2035, 2146, 2738, 3190, 4070, 4292, 5365, 5476, 6380, 6845, 8140, 10730, 11803, 13690, 15059, 21460, 23606, 27380, 30118, 39701, 47212, 59015, 60236, 75295, 79402, 118030, 150590, 158804, 198505, 236060, 301180, 397010, 436711, 794020, 873422, 1746844, 2183555, 4367110, 8734220]

約数ペア:

[(1, 8734220), (2, 4367110), (4, 2183555), (5, 1746844), (10, 873422), (11, 794020), (20, 436711), (22, 397010), (29, 301180), (37, 236060), (44, 198505), (55, 158804), (58, 150590), (74, 118030), (110, 79402), (116, 75295), (145, 60236), (148, 59015), (185, 47212), (220, 39701), (290, 30118), (319, 27380), (370, 23606), (407, 21460), (580, 15059), (638, 13690), (740, 11803), (814, 10730), (1073, 8140), (1276, 6845), (1369, 6380), (1595, 5476), (1628, 5365), (2035, 4292), (2146, 4070), (2738, 3190)]