42812860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 93542400

約数和(自身を除く): 50729540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 199, 310, 347, 398, 620, 694, 796, 995, 1388, 1735, 1990, 3470, 3980, 6169, 6940, 10757, 12338, 21514, 24676, 30845, 43028, 53785, 61690, 69053, 107570, 123380, 138106, 215140, 276212, 345265, 690530, 1381060, 2140643, 4281286, 8562572, 10703215, 21406430, 42812860]

約数ペア:

[(1, 42812860), (2, 21406430), (4, 10703215), (5, 8562572), (10, 4281286), (20, 2140643), (31, 1381060), (62, 690530), (124, 345265), (155, 276212), (199, 215140), (310, 138106), (347, 123380), (398, 107570), (620, 69053), (694, 61690), (796, 53785), (995, 43028), (1388, 30845), (1735, 24676), (1990, 21514), (3470, 12338), (3980, 10757), (6169, 6940)]