3901820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 9055200

約数和(自身を除く): 5153380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 349, 430, 559, 698, 860, 1118, 1396, 1745, 2236, 2795, 3490, 4537, 5590, 6980, 9074, 11180, 15007, 18148, 22685, 30014, 45370, 60028, 75035, 90740, 150070, 195091, 300140, 390182, 780364, 975455, 1950910, 3901820]

約数ペア:

[(1, 3901820), (2, 1950910), (4, 975455), (5, 780364), (10, 390182), (13, 300140), (20, 195091), (26, 150070), (43, 90740), (52, 75035), (65, 60028), (86, 45370), (130, 30014), (172, 22685), (215, 18148), (260, 15007), (349, 11180), (430, 9074), (559, 6980), (698, 5590), (860, 4537), (1118, 3490), (1396, 2795), (1745, 2236)]