788976940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1\times {\mathrm{1709}}^1$

素因数の和:2322

約数の個数: 48

約数和(自身を含む): 1701272160

約数和(自身を除く): 912295220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 563, 820, 1126, 1709, 2252, 2815, 3418, 5630, 6836, 8545, 11260, 17090, 23083, 34180, 46166, 70069, 92332, 115415, 140138, 230830, 280276, 350345, 461660, 700690, 962167, 1401380, 1924334, 3848668, 4810835, 9621670, 19243340, 39448847, 78897694, 157795388, 197244235, 394488470, 788976940]

約数ペア:

[(1, 788976940), (2, 394488470), (4, 197244235), (5, 157795388), (10, 78897694), (20, 39448847), (41, 19243340), (82, 9621670), (164, 4810835), (205, 3848668), (410, 1924334), (563, 1401380), (820, 962167), (1126, 700690), (1709, 461660), (2252, 350345), (2815, 280276), (3418, 230830), (5630, 140138), (6836, 115415), (8545, 92332), (11260, 70069), (17090, 46166), (23083, 34180)]