378454180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{33851}}^1$

素因数の和:33916

約数の個数: 48

約数和(自身を含む): 875818944

約数和(自身を除く): 497364764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 33851, 67702, 135404, 169255, 338510, 440063, 677020, 880126, 1455593, 1760252, 2200315, 2911186, 4400630, 5822372, 7277965, 8801260, 14555930, 18922709, 29111860, 37845418, 75690836, 94613545, 189227090, 378454180]

約数ペア:

[(1, 378454180), (2, 189227090), (4, 94613545), (5, 75690836), (10, 37845418), (13, 29111860), (20, 18922709), (26, 14555930), (43, 8801260), (52, 7277965), (65, 5822372), (86, 4400630), (130, 2911186), (172, 2200315), (215, 1760252), (260, 1455593), (430, 880126), (559, 677020), (860, 440063), (1118, 338510), (2236, 169255), (2795, 135404), (5590, 67702), (11180, 33851)]