207426660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{493873}}^1$

素因数の和:493892

約数の個数: 48

約数和(自身を含む): 663766656

約数和(自身を除く): 456339996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 493873, 987746, 1481619, 1975492, 2469365, 2963238, 3457111, 4938730, 5926476, 6914222, 7408095, 9877460, 10371333, 13828444, 14816190, 17285555, 20742666, 29632380, 34571110, 41485332, 51856665, 69142220, 103713330, 207426660]

約数ペア:

[(1, 207426660), (2, 103713330), (3, 69142220), (4, 51856665), (5, 41485332), (6, 34571110), (7, 29632380), (10, 20742666), (12, 17285555), (14, 14816190), (15, 13828444), (20, 10371333), (21, 9877460), (28, 7408095), (30, 6914222), (35, 5926476), (42, 4938730), (60, 3457111), (70, 2963238), (84, 2469365), (105, 1975492), (140, 1481619), (210, 987746), (420, 493873)]