219430720

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:528

約数の個数: 112

約数和(自身を含む): 550395648

約数和(自身を除く): 330964928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 64, 74, 80, 86, 148, 160, 172, 185, 215, 296, 320, 344, 370, 430, 431, 592, 688, 740, 860, 862, 1184, 1376, 1480, 1591, 1720, 1724, 2155, 2368, 2752, 2960, 3182, 3440, 3448, 4310, 5920, 6364, 6880, 6896, 7955, 8620, 11840, 12728, 13760, 13792, 15910, 15947, 17240, 18533, 25456, 27584, 31820, 31894, 34480, 37066, 50912, 63640, 63788, 68960, 74132, 79735, 92665, 101824, 127280, 127576, 137920, 148264, 159470, 185330, 254560, 255152, 296528, 318940, 370660, 509120, 510304, 593056, 637880, 685721, 741320, 1020608, 1186112, 1275760, 1371442, 1482640, 2551520, 2742884, 2965280, 3428605, 5103040, 5485768, 5930560, 6857210, 10971536, 13714420, 21943072, 27428840, 43886144, 54857680, 109715360, 219430720]

約数ペア:

[(1, 219430720), (2, 109715360), (4, 54857680), (5, 43886144), (8, 27428840), (10, 21943072), (16, 13714420), (20, 10971536), (32, 6857210), (37, 5930560), (40, 5485768), (43, 5103040), (64, 3428605), (74, 2965280), (80, 2742884), (86, 2551520), (148, 1482640), (160, 1371442), (172, 1275760), (185, 1186112), (215, 1020608), (296, 741320), (320, 685721), (344, 637880), (370, 593056), (430, 510304), (431, 509120), (592, 370660), (688, 318940), (740, 296528), (860, 255152), (862, 254560), (1184, 185330), (1376, 159470), (1480, 148264), (1591, 137920), (1720, 127576), (1724, 127280), (2155, 101824), (2368, 92665), (2752, 79735), (2960, 74132), (3182, 68960), (3440, 63788), (3448, 63640), (4310, 50912), (5920, 37066), (6364, 34480), (6880, 31894), (6896, 31820), (7955, 27584), (8620, 25456), (11840, 18533), (12728, 17240), (13760, 15947), (13792, 15910)]