12210740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 27291600

約数和(自身を除く): 15080860

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 569, 580, 740, 1073, 1138, 2146, 2276, 2845, 4292, 5365, 5690, 10730, 11380, 16501, 21053, 21460, 33002, 42106, 66004, 82505, 84212, 105265, 165010, 210530, 330020, 421060, 610537, 1221074, 2442148, 3052685, 6105370, 12210740]

約数ペア:

[(1, 12210740), (2, 6105370), (4, 3052685), (5, 2442148), (10, 1221074), (20, 610537), (29, 421060), (37, 330020), (58, 210530), (74, 165010), (116, 105265), (145, 84212), (148, 82505), (185, 66004), (290, 42106), (370, 33002), (569, 21460), (580, 21053), (740, 16501), (1073, 11380), (1138, 10730), (2146, 5690), (2276, 5365), (2845, 4292)]