2019481520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{10333}}^1$

素因数の和:10702

約数の個数: 80

約数和(自身を含む): 5381947200

約数和(自身を除く): 3362465680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 349, 560, 698, 1396, 1745, 2443, 2792, 3490, 4886, 5584, 6980, 9772, 10333, 12215, 13960, 19544, 20666, 24430, 27920, 39088, 41332, 48860, 51665, 72331, 82664, 97720, 103330, 144662, 165328, 195440, 206660, 289324, 361655, 413320, 578648, 723310, 826640, 1157296, 1446620, 2893240, 3606217, 5786480, 7212434, 14424868, 18031085, 25243519, 28849736, 36062170, 50487038, 57699472, 72124340, 100974076, 126217595, 144248680, 201948152, 252435190, 288497360, 403896304, 504870380, 1009740760, 2019481520]

約数ペア:

[(1, 2019481520), (2, 1009740760), (4, 504870380), (5, 403896304), (7, 288497360), (8, 252435190), (10, 201948152), (14, 144248680), (16, 126217595), (20, 100974076), (28, 72124340), (35, 57699472), (40, 50487038), (56, 36062170), (70, 28849736), (80, 25243519), (112, 18031085), (140, 14424868), (280, 7212434), (349, 5786480), (560, 3606217), (698, 2893240), (1396, 1446620), (1745, 1157296), (2443, 826640), (2792, 723310), (3490, 578648), (4886, 413320), (5584, 361655), (6980, 289324), (9772, 206660), (10333, 195440), (12215, 165328), (13960, 144662), (19544, 103330), (20666, 97720), (24430, 82664), (27920, 72331), (39088, 51665), (41332, 48860)]