9970840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 128

約数和(自身を含む): 27371520

約数和(自身を除く): 17400680

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 43, 44, 55, 62, 68, 85, 86, 88, 110, 124, 136, 155, 170, 172, 187, 215, 220, 248, 310, 340, 341, 344, 374, 430, 440, 473, 527, 620, 680, 682, 731, 748, 860, 935, 946, 1054, 1240, 1333, 1364, 1462, 1496, 1705, 1720, 1870, 1892, 2108, 2365, 2635, 2666, 2728, 2924, 3410, 3655, 3740, 3784, 4216, 4730, 5270, 5332, 5797, 5848, 6665, 6820, 7310, 7480, 8041, 9460, 10540, 10664, 11594, 13330, 13640, 14620, 14663, 16082, 18920, 21080, 22661, 23188, 26660, 28985, 29240, 29326, 32164, 40205, 45322, 46376, 53320, 57970, 58652, 64328, 73315, 80410, 90644, 113305, 115940, 117304, 146630, 160820, 181288, 226610, 231880, 249271, 293260, 321640, 453220, 498542, 586520, 906440, 997084, 1246355, 1994168, 2492710, 4985420, 9970840]

約数ペア:

[(1, 9970840), (2, 4985420), (4, 2492710), (5, 1994168), (8, 1246355), (10, 997084), (11, 906440), (17, 586520), (20, 498542), (22, 453220), (31, 321640), (34, 293260), (40, 249271), (43, 231880), (44, 226610), (55, 181288), (62, 160820), (68, 146630), (85, 117304), (86, 115940), (88, 113305), (110, 90644), (124, 80410), (136, 73315), (155, 64328), (170, 58652), (172, 57970), (187, 53320), (215, 46376), (220, 45322), (248, 40205), (310, 32164), (340, 29326), (341, 29240), (344, 28985), (374, 26660), (430, 23188), (440, 22661), (473, 21080), (527, 18920), (620, 16082), (680, 14663), (682, 14620), (731, 13640), (748, 13330), (860, 11594), (935, 10664), (946, 10540), (1054, 9460), (1240, 8041), (1333, 7480), (1364, 7310), (1462, 6820), (1496, 6665), (1705, 5848), (1720, 5797), (1870, 5332), (1892, 5270), (2108, 4730), (2365, 4216), (2635, 3784), (2666, 3740), (2728, 3655), (2924, 3410)]