18250100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 44247168

約数和(自身を除く): 25997068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 47, 50, 55, 94, 100, 110, 188, 220, 235, 275, 353, 470, 517, 550, 706, 940, 1034, 1100, 1175, 1412, 1765, 2068, 2350, 2585, 3530, 3883, 4700, 5170, 7060, 7766, 8825, 10340, 12925, 15532, 16591, 17650, 19415, 25850, 33182, 35300, 38830, 51700, 66364, 77660, 82955, 97075, 165910, 182501, 194150, 331820, 365002, 388300, 414775, 730004, 829550, 912505, 1659100, 1825010, 3650020, 4562525, 9125050, 18250100]

約数ペア:

[(1, 18250100), (2, 9125050), (4, 4562525), (5, 3650020), (10, 1825010), (11, 1659100), (20, 912505), (22, 829550), (25, 730004), (44, 414775), (47, 388300), (50, 365002), (55, 331820), (94, 194150), (100, 182501), (110, 165910), (188, 97075), (220, 82955), (235, 77660), (275, 66364), (353, 51700), (470, 38830), (517, 35300), (550, 33182), (706, 25850), (940, 19415), (1034, 17650), (1100, 16591), (1175, 15532), (1412, 12925), (1765, 10340), (2068, 8825), (2350, 7766), (2585, 7060), (3530, 5170), (3883, 4700)]