664152020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{12517}}^1$

素因数の和:12912

約数の個数: 48

約数和(自身を含む): 1598298240

約数和(自身を除く): 934146220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 379, 758, 1516, 1895, 2653, 3790, 5306, 7580, 10612, 12517, 13265, 25034, 26530, 50068, 53060, 62585, 87619, 125170, 175238, 250340, 350476, 438095, 876190, 1752380, 4743943, 9487886, 18975772, 23719715, 33207601, 47439430, 66415202, 94878860, 132830404, 166038005, 332076010, 664152020]

約数ペア:

[(1, 664152020), (2, 332076010), (4, 166038005), (5, 132830404), (7, 94878860), (10, 66415202), (14, 47439430), (20, 33207601), (28, 23719715), (35, 18975772), (70, 9487886), (140, 4743943), (379, 1752380), (758, 876190), (1516, 438095), (1895, 350476), (2653, 250340), (3790, 175238), (5306, 125170), (7580, 87619), (10612, 62585), (12517, 53060), (13265, 50068), (25034, 26530)]