2523220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 6168960

約数和(自身を除く): 3645740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 269, 335, 469, 538, 670, 938, 1076, 1340, 1345, 1876, 1883, 2345, 2690, 3766, 4690, 5380, 7532, 9380, 9415, 18023, 18830, 36046, 37660, 72092, 90115, 126161, 180230, 252322, 360460, 504644, 630805, 1261610, 2523220]

約数ペア:

[(1, 2523220), (2, 1261610), (4, 630805), (5, 504644), (7, 360460), (10, 252322), (14, 180230), (20, 126161), (28, 90115), (35, 72092), (67, 37660), (70, 36046), (134, 18830), (140, 18023), (268, 9415), (269, 9380), (335, 7532), (469, 5380), (538, 4690), (670, 3766), (938, 2690), (1076, 2345), (1340, 1883), (1345, 1876)]