201071780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{110479}}^1$

素因数の和:110508

約数の個数: 48

約数和(自身を含む): 519697920

約数和(自身を除く): 318626140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 110479, 220958, 441916, 552395, 773353, 1104790, 1436227, 1546706, 2209580, 2872454, 3093412, 3866765, 5744908, 7181135, 7733530, 10053589, 14362270, 15467060, 20107178, 28724540, 40214356, 50267945, 100535890, 201071780]

約数ペア:

[(1, 201071780), (2, 100535890), (4, 50267945), (5, 40214356), (7, 28724540), (10, 20107178), (13, 15467060), (14, 14362270), (20, 10053589), (26, 7733530), (28, 7181135), (35, 5744908), (52, 3866765), (65, 3093412), (70, 2872454), (91, 2209580), (130, 1546706), (140, 1436227), (182, 1104790), (260, 773353), (364, 552395), (455, 441916), (910, 220958), (1820, 110479)]