30644380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2741}}^1$

素因数の和:2806

約数の個数: 48

約数和(自身を含む): 70941024

約数和(自身を除く): 40296644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2741, 2795, 5482, 5590, 10964, 11180, 13705, 27410, 35633, 54820, 71266, 117863, 142532, 178165, 235726, 356330, 471452, 589315, 712660, 1178630, 1532219, 2357260, 3064438, 6128876, 7661095, 15322190, 30644380]

約数ペア:

[(1, 30644380), (2, 15322190), (4, 7661095), (5, 6128876), (10, 3064438), (13, 2357260), (20, 1532219), (26, 1178630), (43, 712660), (52, 589315), (65, 471452), (86, 356330), (130, 235726), (172, 178165), (215, 142532), (260, 117863), (430, 71266), (559, 54820), (860, 35633), (1118, 27410), (2236, 13705), (2741, 11180), (2795, 10964), (5482, 5590)]