261862000

素因数分解:

$2^4\times 5^3\times {\mathrm{311}}^1\times {\mathrm{421}}^1$

素因数の和:755

約数の個数: 80

約数和(自身を含む): 636727104

約数和(自身を除く): 374865104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 311, 400, 421, 500, 622, 842, 1000, 1244, 1555, 1684, 2000, 2105, 2488, 3110, 3368, 4210, 4976, 6220, 6736, 7775, 8420, 10525, 12440, 15550, 16840, 21050, 24880, 31100, 33680, 38875, 42100, 52625, 62200, 77750, 84200, 105250, 124400, 130931, 155500, 168400, 210500, 261862, 311000, 421000, 523724, 622000, 654655, 842000, 1047448, 1309310, 2094896, 2618620, 3273275, 5237240, 6546550, 10474480, 13093100, 16366375, 26186200, 32732750, 52372400, 65465500, 130931000, 261862000]

約数ペア:

[(1, 261862000), (2, 130931000), (4, 65465500), (5, 52372400), (8, 32732750), (10, 26186200), (16, 16366375), (20, 13093100), (25, 10474480), (40, 6546550), (50, 5237240), (80, 3273275), (100, 2618620), (125, 2094896), (200, 1309310), (250, 1047448), (311, 842000), (400, 654655), (421, 622000), (500, 523724), (622, 421000), (842, 311000), (1000, 261862), (1244, 210500), (1555, 168400), (1684, 155500), (2000, 130931), (2105, 124400), (2488, 105250), (3110, 84200), (3368, 77750), (4210, 62200), (4976, 52625), (6220, 42100), (6736, 38875), (7775, 33680), (8420, 31100), (10525, 24880), (12440, 21050), (15550, 16840)]