138377120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{123551}}^1$

素因数の和:123573

約数の個数: 48

約数和(自身を含む): 373621248

約数和(自身を除く): 235244128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 123551, 247102, 494204, 617755, 864857, 988408, 1235510, 1729714, 1976816, 2471020, 3459428, 3953632, 4324285, 4942040, 6918856, 8648570, 9884080, 13837712, 17297140, 19768160, 27675424, 34594280, 69188560, 138377120]

約数ペア:

[(1, 138377120), (2, 69188560), (4, 34594280), (5, 27675424), (7, 19768160), (8, 17297140), (10, 13837712), (14, 9884080), (16, 8648570), (20, 6918856), (28, 4942040), (32, 4324285), (35, 3953632), (40, 3459428), (56, 2471020), (70, 1976816), (80, 1729714), (112, 1235510), (140, 988408), (160, 864857), (224, 617755), (280, 494204), (560, 247102), (1120, 123551)]