201498640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1031}}^1$

素因数の和:1400

約数の個数: 80

約数和(自身を含む): 537465600

約数和(自身を除く): 335966960

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, 1031, 1396, 1745, 2062, 2443, 2792, 3490, 4124, 4886, 5155, 5584, 6980, 7217, 8248, 9772, 10310, 12215, 13960, 14434, 16496, 19544, 20620, 24430, 27920, 28868, 36085, 39088, 41240, 48860, 57736, 72170, 82480, 97720, 115472, 144340, 195440, 288680, 359819, 577360, 719638, 1439276, 1799095, 2518733, 2878552, 3598190, 5037466, 5757104, 7196380, 10074932, 12593665, 14392760, 20149864, 25187330, 28785520, 40299728, 50374660, 100749320, 201498640]

約数ペア:

[(1, 201498640), (2, 100749320), (4, 50374660), (5, 40299728), (7, 28785520), (8, 25187330), (10, 20149864), (14, 14392760), (16, 12593665), (20, 10074932), (28, 7196380), (35, 5757104), (40, 5037466), (56, 3598190), (70, 2878552), (80, 2518733), (112, 1799095), (140, 1439276), (280, 719638), (349, 577360), (560, 359819), (698, 288680), (1031, 195440), (1396, 144340), (1745, 115472), (2062, 97720), (2443, 82480), (2792, 72170), (3490, 57736), (4124, 48860), (4886, 41240), (5155, 39088), (5584, 36085), (6980, 28868), (7217, 27920), (8248, 24430), (9772, 20620), (10310, 19544), (12215, 16496), (13960, 14434)]