31049620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1693}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 75132288

約数和(自身を除く): 44082668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1693, 1834, 2620, 3386, 3668, 4585, 6772, 8465, 9170, 11851, 16930, 18340, 23702, 33860, 47404, 59255, 118510, 221783, 237020, 443566, 887132, 1108915, 1552481, 2217830, 3104962, 4435660, 6209924, 7762405, 15524810, 31049620]

約数ペア:

[(1, 31049620), (2, 15524810), (4, 7762405), (5, 6209924), (7, 4435660), (10, 3104962), (14, 2217830), (20, 1552481), (28, 1108915), (35, 887132), (70, 443566), (131, 237020), (140, 221783), (262, 118510), (524, 59255), (655, 47404), (917, 33860), (1310, 23702), (1693, 18340), (1834, 16930), (2620, 11851), (3386, 9170), (3668, 8465), (4585, 6772)]