139196140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1\times {\mathrm{397}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 300085632

約数和(自身を除く): 160889492

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 373, 397, 470, 746, 794, 940, 1492, 1588, 1865, 1985, 3730, 3970, 7460, 7940, 17531, 18659, 35062, 37318, 70124, 74636, 87655, 93295, 148081, 175310, 186590, 296162, 350620, 373180, 592324, 740405, 1480810, 2961620, 6959807, 13919614, 27839228, 34799035, 69598070, 139196140]

約数ペア:

[(1, 139196140), (2, 69598070), (4, 34799035), (5, 27839228), (10, 13919614), (20, 6959807), (47, 2961620), (94, 1480810), (188, 740405), (235, 592324), (373, 373180), (397, 350620), (470, 296162), (746, 186590), (794, 175310), (940, 148081), (1492, 93295), (1588, 87655), (1865, 74636), (1985, 70124), (3730, 37318), (3970, 35062), (7460, 18659), (7940, 17531)]