206989400

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{10247}}^1$

素因数の和:10364

約数の個数: 48

約数和(自身を含む): 486062640

約数和(自身を除く): 279073240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 2020, 2525, 4040, 5050, 10100, 10247, 20200, 20494, 40988, 51235, 81976, 102470, 204940, 256175, 409880, 512350, 1024700, 1034947, 2049400, 2069894, 4139788, 5174735, 8279576, 10349470, 20698940, 25873675, 41397880, 51747350, 103494700, 206989400]

約数ペア:

[(1, 206989400), (2, 103494700), (4, 51747350), (5, 41397880), (8, 25873675), (10, 20698940), (20, 10349470), (25, 8279576), (40, 5174735), (50, 4139788), (100, 2069894), (101, 2049400), (200, 1034947), (202, 1024700), (404, 512350), (505, 409880), (808, 256175), (1010, 204940), (2020, 102470), (2525, 81976), (4040, 51235), (5050, 40988), (10100, 20494), (10247, 20200)]