201725900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^2\times {\mathrm{1091}}^1$

素因数の和:1191

約数の個数: 54

約数和(自身を含む): 448572852

約数和(自身を除く): 246846952

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 1091, 1849, 2150, 2182, 3698, 4300, 4364, 5455, 7396, 9245, 10910, 18490, 21820, 27275, 36980, 46225, 46913, 54550, 92450, 93826, 109100, 184900, 187652, 234565, 469130, 938260, 1172825, 2017259, 2345650, 4034518, 4691300, 8069036, 10086295, 20172590, 40345180, 50431475, 100862950, 201725900]

約数ペア:

[(1, 201725900), (2, 100862950), (4, 50431475), (5, 40345180), (10, 20172590), (20, 10086295), (25, 8069036), (43, 4691300), (50, 4034518), (86, 2345650), (100, 2017259), (172, 1172825), (215, 938260), (430, 469130), (860, 234565), (1075, 187652), (1091, 184900), (1849, 109100), (2150, 93826), (2182, 92450), (3698, 54550), (4300, 46913), (4364, 46225), (5455, 36980), (7396, 27275), (9245, 21820), (10910, 18490)]