897700840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{334963}}^1$

素因数の和:335041

約数の個数: 32

約数和(自身を含む): 2049979680

約数和(自身を除く): 1152278840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 334963, 669926, 1339852, 1674815, 2679704, 3349630, 6699260, 13398520, 22442521, 44885042, 89770084, 112212605, 179540168, 224425210, 448850420, 897700840]

約数ペア:

[(1, 897700840), (2, 448850420), (4, 224425210), (5, 179540168), (8, 112212605), (10, 89770084), (20, 44885042), (40, 22442521), (67, 13398520), (134, 6699260), (268, 3349630), (335, 2679704), (536, 1674815), (670, 1339852), (1340, 669926), (2680, 334963)]