1801470020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{10453}}^1$

素因数の和:11700

約数の個数: 48

約数和(自身を含む): 4327454208

約数和(自身を除く): 2525984188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1231, 2462, 4924, 6155, 8617, 10453, 12310, 17234, 20906, 24620, 34468, 41812, 43085, 52265, 73171, 86170, 104530, 146342, 172340, 209060, 292684, 365855, 731710, 1463420, 12867643, 25735286, 51470572, 64338215, 90073501, 128676430, 180147002, 257352860, 360294004, 450367505, 900735010, 1801470020]

約数ペア:

[(1, 1801470020), (2, 900735010), (4, 450367505), (5, 360294004), (7, 257352860), (10, 180147002), (14, 128676430), (20, 90073501), (28, 64338215), (35, 51470572), (70, 25735286), (140, 12867643), (1231, 1463420), (2462, 731710), (4924, 365855), (6155, 292684), (8617, 209060), (10453, 172340), (12310, 146342), (17234, 104530), (20906, 86170), (24620, 73171), (34468, 52265), (41812, 43085)]