196992280

素因数分解:

$2^3\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{3943}}^1$

素因数の和:5203

約数の個数: 32

約数和(自身を含む): 443700000

約数和(自身を除く): 246707720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1249, 2498, 3943, 4996, 6245, 7886, 9992, 12490, 15772, 19715, 24980, 31544, 39430, 49960, 78860, 157720, 4924807, 9849614, 19699228, 24624035, 39398456, 49248070, 98496140, 196992280]

約数ペア:

[(1, 196992280), (2, 98496140), (4, 49248070), (5, 39398456), (8, 24624035), (10, 19699228), (20, 9849614), (40, 4924807), (1249, 157720), (2498, 78860), (3943, 49960), (4996, 39430), (6245, 31544), (7886, 24980), (9992, 19715), (12490, 15772)]