200991280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{947}}^1$

素因数の和:1346

約数の個数: 80

約数和(自身を含む): 536037120

約数和(自身を除く): 335045840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 379, 560, 758, 947, 1516, 1894, 1895, 2653, 3032, 3788, 3790, 4735, 5306, 6064, 6629, 7576, 7580, 9470, 10612, 13258, 13265, 15152, 15160, 18940, 21224, 26516, 26530, 30320, 33145, 37880, 42448, 53032, 53060, 66290, 75760, 106064, 106120, 132580, 212240, 265160, 358913, 530320, 717826, 1435652, 1794565, 2512391, 2871304, 3589130, 5024782, 5742608, 7178260, 10049564, 12561955, 14356520, 20099128, 25123910, 28713040, 40198256, 50247820, 100495640, 200991280]

約数ペア:

[(1, 200991280), (2, 100495640), (4, 50247820), (5, 40198256), (7, 28713040), (8, 25123910), (10, 20099128), (14, 14356520), (16, 12561955), (20, 10049564), (28, 7178260), (35, 5742608), (40, 5024782), (56, 3589130), (70, 2871304), (80, 2512391), (112, 1794565), (140, 1435652), (280, 717826), (379, 530320), (560, 358913), (758, 265160), (947, 212240), (1516, 132580), (1894, 106120), (1895, 106064), (2653, 75760), (3032, 66290), (3788, 53060), (3790, 53032), (4735, 42448), (5306, 37880), (6064, 33145), (6629, 30320), (7576, 26530), (7580, 26516), (9470, 21224), (10612, 18940), (13258, 15160), (13265, 15152)]