391596140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{3253}}^1$

素因数の和:3738

約数の個数: 48

約数和(自身を含む): 887795328

約数和(自身を除く): 496199188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 463, 926, 1852, 2315, 3253, 4630, 6019, 6506, 9260, 12038, 13012, 16265, 24076, 30095, 32530, 42289, 60190, 65060, 84578, 120380, 169156, 211445, 422890, 845780, 1506139, 3012278, 6024556, 7530695, 15061390, 19579807, 30122780, 39159614, 78319228, 97899035, 195798070, 391596140]

約数ペア:

[(1, 391596140), (2, 195798070), (4, 97899035), (5, 78319228), (10, 39159614), (13, 30122780), (20, 19579807), (26, 15061390), (52, 7530695), (65, 6024556), (130, 3012278), (260, 1506139), (463, 845780), (926, 422890), (1852, 211445), (2315, 169156), (3253, 120380), (4630, 84578), (6019, 65060), (6506, 60190), (9260, 42289), (12038, 32530), (13012, 30095), (16265, 24076)]