278398889680

素因数分解:

$2^4\times 5^1\times {\mathrm{881}}^1\times {\mathrm{3950041}}^1$

素因数の和:3950935

約数の個数: 40

約数和(自身を含む): 648012290184

約数和(自身を除く): 369613400504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 881, 1762, 3524, 4405, 7048, 8810, 14096, 17620, 35240, 70480, 3950041, 7900082, 15800164, 19750205, 31600328, 39500410, 63200656, 79000820, 158001640, 316003280, 3479986121, 6959972242, 13919944484, 17399930605, 27839888968, 34799861210, 55679777936, 69599722420, 139199444840, 278398889680]

約数ペア:

[(1, 278398889680), (2, 139199444840), (4, 69599722420), (5, 55679777936), (8, 34799861210), (10, 27839888968), (16, 17399930605), (20, 13919944484), (40, 6959972242), (80, 3479986121), (881, 316003280), (1762, 158001640), (3524, 79000820), (4405, 63200656), (7048, 39500410), (8810, 31600328), (14096, 19750205), (17620, 15800164), (35240, 7900082), (70480, 3950041)]