3946540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 9158688

約数和(自身を除く): 5212148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 353, 430, 559, 706, 860, 1118, 1412, 1765, 2236, 2795, 3530, 4589, 5590, 7060, 9178, 11180, 15179, 18356, 22945, 30358, 45890, 60716, 75895, 91780, 151790, 197327, 303580, 394654, 789308, 986635, 1973270, 3946540]

約数ペア:

[(1, 3946540), (2, 1973270), (4, 986635), (5, 789308), (10, 394654), (13, 303580), (20, 197327), (26, 151790), (43, 91780), (52, 75895), (65, 60716), (86, 45890), (130, 30358), (172, 22945), (215, 18356), (260, 15179), (353, 11180), (430, 9178), (559, 7060), (706, 5590), (860, 4589), (1118, 3530), (1412, 2795), (1765, 2236)]