171070840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{70111}}^1$

素因数の和:70183

約数の個数: 32

約数和(自身を含む): 391224960

約数和(自身を除く): 220154120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 70111, 140222, 280444, 350555, 560888, 701110, 1402220, 2804440, 4276771, 8553542, 17107084, 21383855, 34214168, 42767710, 85535420, 171070840]

約数ペア:

[(1, 171070840), (2, 85535420), (4, 42767710), (5, 34214168), (8, 21383855), (10, 17107084), (20, 8553542), (40, 4276771), (61, 2804440), (122, 1402220), (244, 701110), (305, 560888), (488, 350555), (610, 280444), (1220, 140222), (2440, 70111)]