206727800

素因数分解:

$2^3\times 5^2\times {\mathrm{821}}^1\times {\mathrm{1259}}^1$

素因数の和:2096

約数の個数: 48

約数和(自身を含む): 481609800

約数和(自身を除く): 274882000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 821, 1259, 1642, 2518, 3284, 4105, 5036, 6295, 6568, 8210, 10072, 12590, 16420, 20525, 25180, 31475, 32840, 41050, 50360, 62950, 82100, 125900, 164200, 251800, 1033639, 2067278, 4134556, 5168195, 8269112, 10336390, 20672780, 25840975, 41345560, 51681950, 103363900, 206727800]

約数ペア:

[(1, 206727800), (2, 103363900), (4, 51681950), (5, 41345560), (8, 25840975), (10, 20672780), (20, 10336390), (25, 8269112), (40, 5168195), (50, 4134556), (100, 2067278), (200, 1033639), (821, 251800), (1259, 164200), (1642, 125900), (2518, 82100), (3284, 62950), (4105, 50360), (5036, 41050), (6295, 32840), (6568, 31475), (8210, 25180), (10072, 20525), (12590, 16420)]