207351340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{211583}}^1$

素因数の和:211606

約数の個数: 36

約数和(自身を含む): 506532096

約数和(自身を除く): 299180756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 211583, 423166, 846332, 1057915, 1481081, 2115830, 2962162, 4231660, 5924324, 7405405, 10367567, 14810810, 20735134, 29621620, 41470268, 51837835, 103675670, 207351340]

約数ペア:

[(1, 207351340), (2, 103675670), (4, 51837835), (5, 41470268), (7, 29621620), (10, 20735134), (14, 14810810), (20, 10367567), (28, 7405405), (35, 5924324), (49, 4231660), (70, 2962162), (98, 2115830), (140, 1481081), (196, 1057915), (245, 846332), (490, 423166), (980, 211583)]