647162870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1\times {\mathrm{1619}}^1$

素因数の和:2260

約数の個数: 32

約数和(自身を含む): 1184129280

約数和(自身を除く): 536966410

約数列:

[1, 2, 5, 10, 71, 142, 355, 563, 710, 1126, 1619, 2815, 3238, 5630, 8095, 16190, 39973, 79946, 114949, 199865, 229898, 399730, 574745, 911497, 1149490, 1822994, 4557485, 9114970, 64716287, 129432574, 323581435, 647162870]

約数ペア:

[(1, 647162870), (2, 323581435), (5, 129432574), (10, 64716287), (71, 9114970), (142, 4557485), (355, 1822994), (563, 1149490), (710, 911497), (1126, 574745), (1619, 399730), (2815, 229898), (3238, 199865), (5630, 114949), (8095, 79946), (16190, 39973)]