136616800

素因数分解:

$2^5\times 5^2\times {\mathrm{389}}^1\times {\mathrm{439}}^1$

素因数の和:848

約数の個数: 72

約数和(自身を含む): 335134800

約数和(自身を除く): 198518000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 389, 400, 439, 778, 800, 878, 1556, 1756, 1945, 2195, 3112, 3512, 3890, 4390, 6224, 7024, 7780, 8780, 9725, 10975, 12448, 14048, 15560, 17560, 19450, 21950, 31120, 35120, 38900, 43900, 62240, 70240, 77800, 87800, 155600, 170771, 175600, 311200, 341542, 351200, 683084, 853855, 1366168, 1707710, 2732336, 3415420, 4269275, 5464672, 6830840, 8538550, 13661680, 17077100, 27323360, 34154200, 68308400, 136616800]

約数ペア:

[(1, 136616800), (2, 68308400), (4, 34154200), (5, 27323360), (8, 17077100), (10, 13661680), (16, 8538550), (20, 6830840), (25, 5464672), (32, 4269275), (40, 3415420), (50, 2732336), (80, 1707710), (100, 1366168), (160, 853855), (200, 683084), (389, 351200), (400, 341542), (439, 311200), (778, 175600), (800, 170771), (878, 155600), (1556, 87800), (1756, 77800), (1945, 70240), (2195, 62240), (3112, 43900), (3512, 38900), (3890, 35120), (4390, 31120), (6224, 21950), (7024, 19450), (7780, 17560), (8780, 15560), (9725, 14048), (10975, 12448)]