131126380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{85147}}^1$

素因数の和:85174

約数の個数: 48

約数和(自身を含む): 343316736

約数和(自身を除く): 212190356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 85147, 170294, 340588, 425735, 596029, 851470, 936617, 1192058, 1702940, 1873234, 2384116, 2980145, 3746468, 4683085, 5960290, 6556319, 9366170, 11920580, 13112638, 18732340, 26225276, 32781595, 65563190, 131126380]

約数ペア:

[(1, 131126380), (2, 65563190), (4, 32781595), (5, 26225276), (7, 18732340), (10, 13112638), (11, 11920580), (14, 9366170), (20, 6556319), (22, 5960290), (28, 4683085), (35, 3746468), (44, 2980145), (55, 2384116), (70, 1873234), (77, 1702940), (110, 1192058), (140, 936617), (154, 851470), (220, 596029), (308, 425735), (385, 340588), (770, 170294), (1540, 85147)]