2179400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 5373540

約数和(自身を除く): 3194140

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 641, 680, 850, 1282, 1700, 2564, 3205, 3400, 5128, 6410, 10897, 12820, 16025, 21794, 25640, 32050, 43588, 54485, 64100, 87176, 108970, 128200, 217940, 272425, 435880, 544850, 1089700, 2179400]

約数ペア:

[(1, 2179400), (2, 1089700), (4, 544850), (5, 435880), (8, 272425), (10, 217940), (17, 128200), (20, 108970), (25, 87176), (34, 64100), (40, 54485), (50, 43588), (68, 32050), (85, 25640), (100, 21794), (136, 16025), (170, 12820), (200, 10897), (340, 6410), (425, 5128), (641, 3400), (680, 3205), (850, 2564), (1282, 1700)]