123897620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1871}}^1$

素因数の和:1941

約数の個数: 96

約数和(自身を含む): 332107776

約数和(自身を除く): 208210156

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, 1871, 1892, 2365, 3010, 3311, 3742, 4730, 6020, 6622, 7484, 9355, 9460, 13097, 13244, 16555, 18710, 20581, 26194, 33110, 37420, 41162, 52388, 65485, 66220, 80453, 82324, 102905, 130970, 144067, 160906, 205810, 261940, 288134, 321812, 402265, 411620, 563171, 576268, 720335, 804530, 884983, 1126342, 1440670, 1609060, 1769966, 2252684, 2815855, 2881340, 3539932, 4424915, 5631710, 6194881, 8849830, 11263420, 12389762, 17699660, 24779524, 30974405, 61948810, 123897620]

約数ペア:

[(1, 123897620), (2, 61948810), (4, 30974405), (5, 24779524), (7, 17699660), (10, 12389762), (11, 11263420), (14, 8849830), (20, 6194881), (22, 5631710), (28, 4424915), (35, 3539932), (43, 2881340), (44, 2815855), (55, 2252684), (70, 1769966), (77, 1609060), (86, 1440670), (110, 1126342), (140, 884983), (154, 804530), (172, 720335), (215, 576268), (220, 563171), (301, 411620), (308, 402265), (385, 321812), (430, 288134), (473, 261940), (602, 205810), (770, 160906), (860, 144067), (946, 130970), (1204, 102905), (1505, 82324), (1540, 80453), (1871, 66220), (1892, 65485), (2365, 52388), (3010, 41162), (3311, 37420), (3742, 33110), (4730, 26194), (6020, 20581), (6622, 18710), (7484, 16555), (9355, 13244), (9460, 13097)]