328898000

素因数分解:

$2^4\times 5^3\times {\mathrm{164449}}^1$

素因数の和:164472

約数の個数: 40

約数和(自身を含む): 795280200

約数和(自身を除く): 466382200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 164449, 328898, 657796, 822245, 1315592, 1644490, 2631184, 3288980, 4111225, 6577960, 8222450, 13155920, 16444900, 20556125, 32889800, 41112250, 65779600, 82224500, 164449000, 328898000]

約数ペア:

[(1, 328898000), (2, 164449000), (4, 82224500), (5, 65779600), (8, 41112250), (10, 32889800), (16, 20556125), (20, 16444900), (25, 13155920), (40, 8222450), (50, 6577960), (80, 4111225), (100, 3288980), (125, 2631184), (200, 1644490), (250, 1315592), (400, 822245), (500, 657796), (1000, 328898), (2000, 164449)]