1404380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 3193344

約数和(自身を除く): 1788964

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 71, 86, 92, 115, 142, 172, 215, 230, 284, 355, 430, 460, 710, 860, 989, 1420, 1633, 1978, 3053, 3266, 3956, 4945, 6106, 6532, 8165, 9890, 12212, 15265, 16330, 19780, 30530, 32660, 61060, 70219, 140438, 280876, 351095, 702190, 1404380]

約数ペア:

[(1, 1404380), (2, 702190), (4, 351095), (5, 280876), (10, 140438), (20, 70219), (23, 61060), (43, 32660), (46, 30530), (71, 19780), (86, 16330), (92, 15265), (115, 12212), (142, 9890), (172, 8165), (215, 6532), (230, 6106), (284, 4945), (355, 3956), (430, 3266), (460, 3053), (710, 1978), (860, 1633), (989, 1420)]