71502890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1399}}^1$

素因数の和:1694

約数の個数: 32

約数和(自身を含む): 136080000

約数和(自身を除く): 64577110

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 269, 538, 1345, 1399, 2690, 2798, 5111, 6995, 10222, 13990, 25555, 26581, 51110, 53162, 132905, 265810, 376331, 752662, 1881655, 3763310, 7150289, 14300578, 35751445, 71502890]

約数ペア:

[(1, 71502890), (2, 35751445), (5, 14300578), (10, 7150289), (19, 3763310), (38, 1881655), (95, 752662), (190, 376331), (269, 265810), (538, 132905), (1345, 53162), (1399, 51110), (2690, 26581), (2798, 25555), (5111, 13990), (6995, 10222)]