209850920

素因数分解:

$2^3\times 5^1\times {\mathrm{1873}}^1\times {\mathrm{2801}}^1$

素因数の和:4685

約数の個数: 32

約数和(自身を含む): 472585320

約数和(自身を除く): 262734400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1873, 2801, 3746, 5602, 7492, 9365, 11204, 14005, 14984, 18730, 22408, 28010, 37460, 56020, 74920, 112040, 5246273, 10492546, 20985092, 26231365, 41970184, 52462730, 104925460, 209850920]

約数ペア:

[(1, 209850920), (2, 104925460), (4, 52462730), (5, 41970184), (8, 26231365), (10, 20985092), (20, 10492546), (40, 5246273), (1873, 112040), (2801, 74920), (3746, 56020), (5602, 37460), (7492, 28010), (9365, 22408), (11204, 18730), (14005, 14984)]