42391660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{397}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 94278240

約数和(自身を除く): 51886580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 281, 380, 397, 562, 794, 1124, 1405, 1588, 1985, 2810, 3970, 5339, 5620, 7543, 7940, 10678, 15086, 21356, 26695, 30172, 37715, 53390, 75430, 106780, 111557, 150860, 223114, 446228, 557785, 1115570, 2119583, 2231140, 4239166, 8478332, 10597915, 21195830, 42391660]

約数ペア:

[(1, 42391660), (2, 21195830), (4, 10597915), (5, 8478332), (10, 4239166), (19, 2231140), (20, 2119583), (38, 1115570), (76, 557785), (95, 446228), (190, 223114), (281, 150860), (380, 111557), (397, 106780), (562, 75430), (794, 53390), (1124, 37715), (1405, 30172), (1588, 26695), (1985, 21356), (2810, 15086), (3970, 10678), (5339, 7940), (5620, 7543)]