990718850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{8537}}^1$

素因数の和:8771

約数の個数: 48

約数和(自身を含む): 2020022496

約数和(自身を除く): 1029303646

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 211, 275, 422, 550, 1055, 2110, 2321, 4642, 5275, 8537, 10550, 11605, 17074, 23210, 42685, 58025, 85370, 93907, 116050, 187814, 213425, 426850, 469535, 939070, 1801307, 2347675, 3602614, 4695350, 9006535, 18013070, 19814377, 39628754, 45032675, 90065350, 99071885, 198143770, 495359425, 990718850]

約数ペア:

[(1, 990718850), (2, 495359425), (5, 198143770), (10, 99071885), (11, 90065350), (22, 45032675), (25, 39628754), (50, 19814377), (55, 18013070), (110, 9006535), (211, 4695350), (275, 3602614), (422, 2347675), (550, 1801307), (1055, 939070), (2110, 469535), (2321, 426850), (4642, 213425), (5275, 187814), (8537, 116050), (10550, 93907), (11605, 85370), (17074, 58025), (23210, 42685)]