142740340

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{7489}}^1$

素因数の和:8451

約数の個数: 24

約数和(自身を含む): 300109320

約数和(自身を除く): 157368980

約数列:

[1, 2, 4, 5, 10, 20, 953, 1906, 3812, 4765, 7489, 9530, 14978, 19060, 29956, 37445, 74890, 149780, 7137017, 14274034, 28548068, 35685085, 71370170, 142740340]

約数ペア:

[(1, 142740340), (2, 71370170), (4, 35685085), (5, 28548068), (10, 14274034), (20, 7137017), (953, 149780), (1906, 74890), (3812, 37445), (4765, 29956), (7489, 19060), (9530, 14978)]