1405876690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157433}}^1$

素因数の和:157506

約数の個数: 32

約数和(自身を含む): 2720459520

約数和(自身を除く): 1314582830

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 8930, 157433, 314866, 787165, 1574330, 2991227, 5982454, 7399351, 14798702, 14956135, 29912270, 36996755, 73993510, 140587669, 281175338, 702938345, 1405876690]

約数ペア:

[(1, 1405876690), (2, 702938345), (5, 281175338), (10, 140587669), (19, 73993510), (38, 36996755), (47, 29912270), (94, 14956135), (95, 14798702), (190, 7399351), (235, 5982454), (470, 2991227), (893, 1574330), (1786, 787165), (4465, 314866), (8930, 157433)]