9902009.00000000

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{3163}}^1$

素因数の和:3193

約数の個数: 48

約数和(自身を含む): 53155200

約数和(自身を除く): 31457020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3163, 3430, 6326, 6860, 12652, 15815, 22141, 31630, 44282, 63260, 88564, 110705, 154987, 221410, 309974, 442820, 619948, 774935, 1084909, 1549870, 2169818, 3099740, 4339636, 5424545, 10849090, 21698180]

約数ペア:

[(1, 21698180), (2, 10849090), (4, 5424545), (5, 4339636), (7, 3099740), (10, 2169818), (14, 1549870), (20, 1084909), (28, 774935), (35, 619948), (49, 442820), (70, 309974), (98, 221410), (140, 154987), (196, 110705), (245, 88564), (343, 63260), (490, 44282), (686, 31630), (980, 22141), (1372, 15815), (1715, 12652), (3163, 6860), (3430, 6326)]