207752720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1063}}^1$

素因数の和:1432

約数の個数: 80

約数和(自身を含む): 554131200

約数和(自身を除く): 346378480

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, 1063, 1396, 1745, 2126, 2443, 2792, 3490, 4252, 4886, 5315, 5584, 6980, 7441, 8504, 9772, 10630, 12215, 13960, 14882, 17008, 19544, 21260, 24430, 27920, 29764, 37205, 39088, 42520, 48860, 59528, 74410, 85040, 97720, 119056, 148820, 195440, 297640, 370987, 595280, 741974, 1483948, 1854935, 2596909, 2967896, 3709870, 5193818, 5935792, 7419740, 10387636, 12984545, 14839480, 20775272, 25969090, 29678960, 41550544, 51938180, 103876360, 207752720]

約数ペア:

[(1, 207752720), (2, 103876360), (4, 51938180), (5, 41550544), (7, 29678960), (8, 25969090), (10, 20775272), (14, 14839480), (16, 12984545), (20, 10387636), (28, 7419740), (35, 5935792), (40, 5193818), (56, 3709870), (70, 2967896), (80, 2596909), (112, 1854935), (140, 1483948), (280, 741974), (349, 595280), (560, 370987), (698, 297640), (1063, 195440), (1396, 148820), (1745, 119056), (2126, 97720), (2443, 85040), (2792, 74410), (3490, 59528), (4252, 48860), (4886, 42520), (5315, 39088), (5584, 37205), (6980, 29764), (7441, 27920), (8504, 24430), (9772, 21260), (10630, 19544), (12215, 17008), (13960, 14882)]