351425720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131129}}^1$

素因数の和:131207

約数の個数: 32

約数和(自身を含む): 802515600

約数和(自身を除く): 451089880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 131129, 262258, 524516, 655645, 1049032, 1311290, 2622580, 5245160, 8785643, 17571286, 35142572, 43928215, 70285144, 87856430, 175712860, 351425720]

約数ペア:

[(1, 351425720), (2, 175712860), (4, 87856430), (5, 70285144), (8, 43928215), (10, 35142572), (20, 17571286), (40, 8785643), (67, 5245160), (134, 2622580), (268, 1311290), (335, 1049032), (536, 655645), (670, 524516), (1340, 262258), (2680, 131129)]