7905140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 17781120

約数和(自身を除く): 9875980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 293, 355, 380, 586, 710, 1172, 1349, 1420, 1465, 2698, 2930, 5396, 5567, 5860, 6745, 11134, 13490, 20803, 22268, 26980, 27835, 41606, 55670, 83212, 104015, 111340, 208030, 395257, 416060, 790514, 1581028, 1976285, 3952570, 7905140]

約数ペア:

[(1, 7905140), (2, 3952570), (4, 1976285), (5, 1581028), (10, 790514), (19, 416060), (20, 395257), (38, 208030), (71, 111340), (76, 104015), (95, 83212), (142, 55670), (190, 41606), (284, 27835), (293, 26980), (355, 22268), (380, 20803), (586, 13490), (710, 11134), (1172, 6745), (1349, 5860), (1420, 5567), (1465, 5396), (2698, 2930)]