39898180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{547}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 96114816

約数和(自身を除く): 56216636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 547, 1042, 1094, 2084, 2188, 2605, 2735, 3647, 3829, 5210, 5470, 7294, 7658, 10420, 10940, 14588, 15316, 18235, 19145, 36470, 38290, 72940, 76580, 284987, 569974, 1139948, 1424935, 1994909, 2849870, 3989818, 5699740, 7979636, 9974545, 19949090, 39898180]

約数ペア:

[(1, 39898180), (2, 19949090), (4, 9974545), (5, 7979636), (7, 5699740), (10, 3989818), (14, 2849870), (20, 1994909), (28, 1424935), (35, 1139948), (70, 569974), (140, 284987), (521, 76580), (547, 72940), (1042, 38290), (1094, 36470), (2084, 19145), (2188, 18235), (2605, 15316), (2735, 14588), (3647, 10940), (3829, 10420), (5210, 7658), (5470, 7294)]