138322720

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3121}}^1$

素因数の和:3413

約数の個数: 48

約数和(自身を含む): 328072248

約数和(自身を除く): 189749528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 554, 1108, 1385, 2216, 2770, 3121, 4432, 5540, 6242, 8864, 11080, 12484, 15605, 22160, 24968, 31210, 44320, 49936, 62420, 99872, 124840, 249680, 499360, 864517, 1729034, 3458068, 4322585, 6916136, 8645170, 13832272, 17290340, 27664544, 34580680, 69161360, 138322720]

約数ペア:

[(1, 138322720), (2, 69161360), (4, 34580680), (5, 27664544), (8, 17290340), (10, 13832272), (16, 8645170), (20, 6916136), (32, 4322585), (40, 3458068), (80, 1729034), (160, 864517), (277, 499360), (554, 249680), (1108, 124840), (1385, 99872), (2216, 62420), (2770, 49936), (3121, 44320), (4432, 31210), (5540, 24968), (6242, 22160), (8864, 15605), (11080, 12484)]