190486840

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{27527}}^1$

素因数の和:27711

約数の個数: 32

約数和(自身を含む): 431088480

約数和(自身を除く): 240601640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 27527, 55054, 110108, 137635, 220216, 275270, 550540, 1101080, 4762171, 9524342, 19048684, 23810855, 38097368, 47621710, 95243420, 190486840]

約数ペア:

[(1, 190486840), (2, 95243420), (4, 47621710), (5, 38097368), (8, 23810855), (10, 19048684), (20, 9524342), (40, 4762171), (173, 1101080), (346, 550540), (692, 275270), (865, 220216), (1384, 137635), (1730, 110108), (3460, 55054), (6920, 27527)]