231140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 602112

約数和(自身を除く): 370972

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 127, 130, 140, 182, 254, 260, 364, 455, 508, 635, 889, 910, 1270, 1651, 1778, 1820, 2540, 3302, 3556, 4445, 6604, 8255, 8890, 11557, 16510, 17780, 23114, 33020, 46228, 57785, 115570, 231140]

約数ペア:

[(1, 231140), (2, 115570), (4, 57785), (5, 46228), (7, 33020), (10, 23114), (13, 17780), (14, 16510), (20, 11557), (26, 8890), (28, 8255), (35, 6604), (52, 4445), (65, 3556), (70, 3302), (91, 2540), (127, 1820), (130, 1778), (140, 1651), (182, 1270), (254, 910), (260, 889), (364, 635), (455, 508)]