2018121140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{31543}}^1$

素因数の和:32016

約数の個数: 48

約数和(自身を含む): 4854243072

約数和(自身を除く): 2836121932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 914, 1828, 2285, 3199, 4570, 6398, 9140, 12796, 15995, 31543, 31990, 63086, 63980, 126172, 157715, 220801, 315430, 441602, 630860, 883204, 1104005, 2208010, 4416020, 14415151, 28830302, 57660604, 72075755, 100906057, 144151510, 201812114, 288303020, 403624228, 504530285, 1009060570, 2018121140]

約数ペア:

[(1, 2018121140), (2, 1009060570), (4, 504530285), (5, 403624228), (7, 288303020), (10, 201812114), (14, 144151510), (20, 100906057), (28, 72075755), (35, 57660604), (70, 28830302), (140, 14415151), (457, 4416020), (914, 2208010), (1828, 1104005), (2285, 883204), (3199, 630860), (4570, 441602), (6398, 315430), (9140, 220801), (12796, 157715), (15995, 126172), (31543, 63980), (31990, 63086)]