199371960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{553811}}^1$

素因数の和:553828

約数の個数: 48

約数和(自身を含む): 647960040

約数和(自身を除く): 448588080

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, 553811, 1107622, 1661433, 2215244, 2769055, 3322866, 4430488, 4984299, 5538110, 6645732, 8307165, 9968598, 11076220, 13291464, 16614330, 19937196, 22152440, 24921495, 33228660, 39874392, 49842990, 66457320, 99685980, 199371960]

約数ペア:

[(1, 199371960), (2, 99685980), (3, 66457320), (4, 49842990), (5, 39874392), (6, 33228660), (8, 24921495), (9, 22152440), (10, 19937196), (12, 16614330), (15, 13291464), (18, 11076220), (20, 9968598), (24, 8307165), (30, 6645732), (36, 5538110), (40, 4984299), (45, 4430488), (60, 3322866), (72, 2769055), (90, 2215244), (120, 1661433), (180, 1107622), (360, 553811)]