289830500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{10937}}^1$

素因数の和:11009

約数の個数: 48

約数和(自身を含む): 644991984

約数和(自身を除く): 355161484

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 500, 530, 1060, 1325, 2650, 5300, 6625, 10937, 13250, 21874, 26500, 43748, 54685, 109370, 218740, 273425, 546850, 579661, 1093700, 1159322, 1367125, 2318644, 2734250, 2898305, 5468500, 5796610, 11593220, 14491525, 28983050, 57966100, 72457625, 144915250, 289830500]

約数ペア:

[(1, 289830500), (2, 144915250), (4, 72457625), (5, 57966100), (10, 28983050), (20, 14491525), (25, 11593220), (50, 5796610), (53, 5468500), (100, 2898305), (106, 2734250), (125, 2318644), (212, 1367125), (250, 1159322), (265, 1093700), (500, 579661), (530, 546850), (1060, 273425), (1325, 218740), (2650, 109370), (5300, 54685), (6625, 43748), (10937, 26500), (13250, 21874)]