28758620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3533}}^1$

素因数の和:3590

約数の個数: 48

約数和(自身を含む): 67683168

約数和(自身を除く): 38924548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 3533, 4070, 7066, 8140, 14132, 17665, 35330, 38863, 70660, 77726, 130721, 155452, 194315, 261442, 388630, 522884, 653605, 777260, 1307210, 1437931, 2614420, 2875862, 5751724, 7189655, 14379310, 28758620]

約数ペア:

[(1, 28758620), (2, 14379310), (4, 7189655), (5, 5751724), (10, 2875862), (11, 2614420), (20, 1437931), (22, 1307210), (37, 777260), (44, 653605), (55, 522884), (74, 388630), (110, 261442), (148, 194315), (185, 155452), (220, 130721), (370, 77726), (407, 70660), (740, 38863), (814, 35330), (1628, 17665), (2035, 14132), (3533, 8140), (4070, 7066)]