1868352020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1721}}^1$

素因数の和:1881

約数の個数: 96

約数和(自身を含む): 4332496896

約数和(自身を除く): 2464144876

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 103, 124, 155, 170, 206, 310, 340, 412, 515, 527, 620, 1030, 1054, 1721, 1751, 2060, 2108, 2635, 3193, 3442, 3502, 5270, 6386, 6884, 7004, 8605, 8755, 10540, 12772, 15965, 17210, 17510, 29257, 31930, 34420, 35020, 53351, 54281, 58514, 63860, 106702, 108562, 117028, 146285, 177263, 213404, 217124, 266755, 271405, 292570, 354526, 533510, 542810, 585140, 709052, 886315, 906967, 1067020, 1085620, 1772630, 1813934, 3013471, 3545260, 3627868, 4534835, 5495153, 6026942, 9069670, 10990306, 12053884, 15067355, 18139340, 21980612, 27475765, 30134710, 54951530, 60269420, 93417601, 109903060, 186835202, 373670404, 467088005, 934176010, 1868352020]

約数ペア:

[(1, 1868352020), (2, 934176010), (4, 467088005), (5, 373670404), (10, 186835202), (17, 109903060), (20, 93417601), (31, 60269420), (34, 54951530), (62, 30134710), (68, 27475765), (85, 21980612), (103, 18139340), (124, 15067355), (155, 12053884), (170, 10990306), (206, 9069670), (310, 6026942), (340, 5495153), (412, 4534835), (515, 3627868), (527, 3545260), (620, 3013471), (1030, 1813934), (1054, 1772630), (1721, 1085620), (1751, 1067020), (2060, 906967), (2108, 886315), (2635, 709052), (3193, 585140), (3442, 542810), (3502, 533510), (5270, 354526), (6386, 292570), (6884, 271405), (7004, 266755), (8605, 217124), (8755, 213404), (10540, 177263), (12772, 146285), (15965, 117028), (17210, 108562), (17510, 106702), (29257, 63860), (31930, 58514), (34420, 54281), (35020, 53351)]