200640420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7481}}^1$

素因数の和:7645

約数の個数: 72

約数和(自身を含む): 612775800

約数和(自身を除く): 412135380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 5364, 6705, 7481, 8940, 13410, 14962, 22443, 26820, 29924, 37405, 44886, 67329, 74810, 89772, 112215, 134658, 149620, 224430, 269316, 336645, 448860, 673290, 1114669, 1346580, 2229338, 3344007, 4458676, 5573345, 6688014, 10032021, 11146690, 13376028, 16720035, 20064042, 22293380, 33440070, 40128084, 50160105, 66880140, 100320210, 200640420]

約数ペア:

[(1, 200640420), (2, 100320210), (3, 66880140), (4, 50160105), (5, 40128084), (6, 33440070), (9, 22293380), (10, 20064042), (12, 16720035), (15, 13376028), (18, 11146690), (20, 10032021), (30, 6688014), (36, 5573345), (45, 4458676), (60, 3344007), (90, 2229338), (149, 1346580), (180, 1114669), (298, 673290), (447, 448860), (596, 336645), (745, 269316), (894, 224430), (1341, 149620), (1490, 134658), (1788, 112215), (2235, 89772), (2682, 74810), (2980, 67329), (4470, 44886), (5364, 37405), (6705, 29924), (7481, 26820), (8940, 22443), (13410, 14962)]