8978420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1103}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 21143808

約数和(自身を除く): 12165388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1103, 1628, 2035, 2206, 4070, 4412, 5515, 8140, 11030, 12133, 22060, 24266, 40811, 48532, 60665, 81622, 121330, 163244, 204055, 242660, 408110, 448921, 816220, 897842, 1795684, 2244605, 4489210, 8978420]

約数ペア:

[(1, 8978420), (2, 4489210), (4, 2244605), (5, 1795684), (10, 897842), (11, 816220), (20, 448921), (22, 408110), (37, 242660), (44, 204055), (55, 163244), (74, 121330), (110, 81622), (148, 60665), (185, 48532), (220, 40811), (370, 24266), (407, 22060), (740, 12133), (814, 11030), (1103, 8140), (1628, 5515), (2035, 4412), (2206, 4070)]