127870820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:2001

約数の個数: 96

約数和(自身を含む): 342752256

約数和(自身を除く): 214881436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 301, 308, 385, 430, 473, 602, 770, 860, 946, 1204, 1505, 1540, 1892, 1931, 2365, 3010, 3311, 3862, 4730, 6020, 6622, 7724, 9460, 9655, 13244, 13517, 16555, 19310, 21241, 27034, 33110, 38620, 42482, 54068, 66220, 67585, 83033, 84964, 106205, 135170, 148687, 166066, 212410, 270340, 297374, 332132, 415165, 424820, 581231, 594748, 743435, 830330, 913363, 1162462, 1486870, 1660660, 1826726, 2324924, 2906155, 2973740, 3653452, 4566815, 5812310, 6393541, 9133630, 11624620, 12787082, 18267260, 25574164, 31967705, 63935410, 127870820]

約数ペア:

[(1, 127870820), (2, 63935410), (4, 31967705), (5, 25574164), (7, 18267260), (10, 12787082), (11, 11624620), (14, 9133630), (20, 6393541), (22, 5812310), (28, 4566815), (35, 3653452), (43, 2973740), (44, 2906155), (55, 2324924), (70, 1826726), (77, 1660660), (86, 1486870), (110, 1162462), (140, 913363), (154, 830330), (172, 743435), (215, 594748), (220, 581231), (301, 424820), (308, 415165), (385, 332132), (430, 297374), (473, 270340), (602, 212410), (770, 166066), (860, 148687), (946, 135170), (1204, 106205), (1505, 84964), (1540, 83033), (1892, 67585), (1931, 66220), (2365, 54068), (3010, 42482), (3311, 38620), (3862, 33110), (4730, 27034), (6020, 21241), (6622, 19310), (7724, 16555), (9460, 13517), (9655, 13244)]