42095480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1009}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 109080000

約数和(自身を除く): 66984520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1009, 1043, 1192, 1490, 2018, 2086, 2980, 4036, 4172, 5045, 5215, 5960, 7063, 8072, 8344, 10090, 10430, 14126, 20180, 20860, 28252, 35315, 40360, 41720, 56504, 70630, 141260, 150341, 282520, 300682, 601364, 751705, 1052387, 1202728, 1503410, 2104774, 3006820, 4209548, 5261935, 6013640, 8419096, 10523870, 21047740, 42095480]

約数ペア:

[(1, 42095480), (2, 21047740), (4, 10523870), (5, 8419096), (7, 6013640), (8, 5261935), (10, 4209548), (14, 3006820), (20, 2104774), (28, 1503410), (35, 1202728), (40, 1052387), (56, 751705), (70, 601364), (140, 300682), (149, 282520), (280, 150341), (298, 141260), (596, 70630), (745, 56504), (1009, 41720), (1043, 40360), (1192, 35315), (1490, 28252), (2018, 20860), (2086, 20180), (2980, 14126), (4036, 10430), (4172, 10090), (5045, 8344), (5215, 8072), (5960, 7063)]