1386176380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{39313}}^1$

素因数の和:39406

約数の個数: 48

約数和(自身を含む): 3051395424

約数和(自身を除く): 1665219044

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8815, 17630, 35260, 39313, 78626, 157252, 196565, 393130, 786260, 1611833, 1690459, 3223666, 3380918, 6447332, 6761836, 8059165, 8452295, 16118330, 16904590, 32236660, 33809180, 69308819, 138617638, 277235276, 346544095, 693088190, 1386176380]

約数ペア:

[(1, 1386176380), (2, 693088190), (4, 346544095), (5, 277235276), (10, 138617638), (20, 69308819), (41, 33809180), (43, 32236660), (82, 16904590), (86, 16118330), (164, 8452295), (172, 8059165), (205, 6761836), (215, 6447332), (410, 3380918), (430, 3223666), (820, 1690459), (860, 1611833), (1763, 786260), (3526, 393130), (7052, 196565), (8815, 157252), (17630, 78626), (35260, 39313)]