8985460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 21450240

約数和(自身を除く): 12464780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 79, 94, 110, 121, 158, 188, 220, 235, 242, 316, 395, 470, 484, 517, 605, 790, 869, 940, 1034, 1210, 1580, 1738, 2068, 2420, 2585, 3476, 3713, 4345, 5170, 5687, 7426, 8690, 9559, 10340, 11374, 14852, 17380, 18565, 19118, 22748, 28435, 37130, 38236, 40843, 47795, 56870, 74260, 81686, 95590, 113740, 163372, 191180, 204215, 408430, 449273, 816860, 898546, 1797092, 2246365, 4492730, 8985460]

約数ペア:

[(1, 8985460), (2, 4492730), (4, 2246365), (5, 1797092), (10, 898546), (11, 816860), (20, 449273), (22, 408430), (44, 204215), (47, 191180), (55, 163372), (79, 113740), (94, 95590), (110, 81686), (121, 74260), (158, 56870), (188, 47795), (220, 40843), (235, 38236), (242, 37130), (316, 28435), (395, 22748), (470, 19118), (484, 18565), (517, 17380), (605, 14852), (790, 11374), (869, 10340), (940, 9559), (1034, 8690), (1210, 7426), (1580, 5687), (1738, 5170), (2068, 4345), (2420, 3713), (2585, 3476)]