198186840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{550519}}^1$

素因数の和:550536

約数の個数: 48

約数和(自身を含む): 644108400

約数和(自身を除く): 445921560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 550519, 1101038, 1651557, 2202076, 2752595, 3303114, 4404152, 4954671, 5505190, 6606228, 8257785, 9909342, 11010380, 13212456, 16515570, 19818684, 22020760, 24773355, 33031140, 39637368, 49546710, 66062280, 99093420, 198186840]

約数ペア:

[(1, 198186840), (2, 99093420), (3, 66062280), (4, 49546710), (5, 39637368), (6, 33031140), (8, 24773355), (9, 22020760), (10, 19818684), (12, 16515570), (15, 13212456), (18, 11010380), (20, 9909342), (24, 8257785), (30, 6606228), (36, 5505190), (40, 4954671), (45, 4404152), (60, 3303114), (72, 2752595), (90, 2202076), (120, 1651557), (180, 1101038), (360, 550519)]