138802720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{123931}}^1$

素因数の和:123953

約数の個数: 48

約数和(自身を含む): 374770368

約数和(自身を除く): 235967648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 123931, 247862, 495724, 619655, 867517, 991448, 1239310, 1735034, 1982896, 2478620, 3470068, 3965792, 4337585, 4957240, 6940136, 8675170, 9914480, 13880272, 17350340, 19828960, 27760544, 34700680, 69401360, 138802720]

約数ペア:

[(1, 138802720), (2, 69401360), (4, 34700680), (5, 27760544), (7, 19828960), (8, 17350340), (10, 13880272), (14, 9914480), (16, 8675170), (20, 6940136), (28, 4957240), (32, 4337585), (35, 3965792), (40, 3470068), (56, 2478620), (70, 1982896), (80, 1735034), (112, 1239310), (140, 991448), (160, 867517), (224, 619655), (280, 495724), (560, 247862), (1120, 123931)]