151842020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9721}}^1$

素因数の和:9812

約数の個数: 48

約数和(自身を含む): 352791936

約数和(自身を除く): 200949916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 9721, 15620, 19442, 38884, 48605, 97210, 106931, 194420, 213862, 427724, 534655, 690191, 1069310, 1380382, 2138620, 2760764, 3450955, 6901910, 7592101, 13803820, 15184202, 30368404, 37960505, 75921010, 151842020]

約数ペア:

[(1, 151842020), (2, 75921010), (4, 37960505), (5, 30368404), (10, 15184202), (11, 13803820), (20, 7592101), (22, 6901910), (44, 3450955), (55, 2760764), (71, 2138620), (110, 1380382), (142, 1069310), (220, 690191), (284, 534655), (355, 427724), (710, 213862), (781, 194420), (1420, 106931), (1562, 97210), (3124, 48605), (3905, 38884), (7810, 19442), (9721, 15620)]