86979620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47791}}^1$

素因数の和:47820

約数の個数: 48

約数和(自身を含む): 224813568

約数和(自身を除く): 137833948

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 47791, 95582, 191164, 238955, 334537, 477910, 621283, 669074, 955820, 1242566, 1338148, 1672685, 2485132, 3106415, 3345370, 4348981, 6212830, 6690740, 8697962, 12425660, 17395924, 21744905, 43489810, 86979620]

約数ペア:

[(1, 86979620), (2, 43489810), (4, 21744905), (5, 17395924), (7, 12425660), (10, 8697962), (13, 6690740), (14, 6212830), (20, 4348981), (26, 3345370), (28, 3106415), (35, 2485132), (52, 1672685), (65, 1338148), (70, 1242566), (91, 955820), (130, 669074), (140, 621283), (182, 477910), (260, 334537), (364, 238955), (455, 191164), (910, 95582), (1820, 47791)]