1591940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 3894912

約数和(自身を除く): 2302972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 137, 140, 166, 274, 332, 415, 548, 581, 685, 830, 959, 1162, 1370, 1660, 1918, 2324, 2740, 2905, 3836, 4795, 5810, 9590, 11371, 11620, 19180, 22742, 45484, 56855, 79597, 113710, 159194, 227420, 318388, 397985, 795970, 1591940]

約数ペア:

[(1, 1591940), (2, 795970), (4, 397985), (5, 318388), (7, 227420), (10, 159194), (14, 113710), (20, 79597), (28, 56855), (35, 45484), (70, 22742), (83, 19180), (137, 11620), (140, 11371), (166, 9590), (274, 5810), (332, 4795), (415, 3836), (548, 2905), (581, 2740), (685, 2324), (830, 1918), (959, 1660), (1162, 1370)]