171252680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138107}}^1$

素因数の和:138149

約数の個数: 32

約数和(自身を含む): 397751040

約数和(自身を除く): 226498360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 138107, 276214, 552428, 690535, 1104856, 1381070, 2762140, 4281317, 5524280, 8562634, 17125268, 21406585, 34250536, 42813170, 85626340, 171252680]

約数ペア:

[(1, 171252680), (2, 85626340), (4, 42813170), (5, 34250536), (8, 21406585), (10, 17125268), (20, 8562634), (31, 5524280), (40, 4281317), (62, 2762140), (124, 1381070), (155, 1104856), (248, 690535), (310, 552428), (620, 276214), (1240, 138107)]