8241380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 20801088

約数和(自身を除く): 12559708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 43, 70, 74, 86, 140, 148, 172, 185, 215, 259, 301, 370, 430, 518, 602, 740, 860, 1036, 1204, 1295, 1369, 1505, 1591, 2590, 2738, 3010, 3182, 5180, 5476, 6020, 6364, 6845, 7955, 9583, 11137, 13690, 15910, 19166, 22274, 27380, 31820, 38332, 44548, 47915, 55685, 58867, 95830, 111370, 117734, 191660, 222740, 235468, 294335, 412069, 588670, 824138, 1177340, 1648276, 2060345, 4120690, 8241380]

約数ペア:

[(1, 8241380), (2, 4120690), (4, 2060345), (5, 1648276), (7, 1177340), (10, 824138), (14, 588670), (20, 412069), (28, 294335), (35, 235468), (37, 222740), (43, 191660), (70, 117734), (74, 111370), (86, 95830), (140, 58867), (148, 55685), (172, 47915), (185, 44548), (215, 38332), (259, 31820), (301, 27380), (370, 22274), (430, 19166), (518, 15910), (602, 13690), (740, 11137), (860, 9583), (1036, 7955), (1204, 6845), (1295, 6364), (1369, 6020), (1505, 5476), (1591, 5180), (2590, 3182), (2738, 3010)]