189226240

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{431}}^1$

素因数の和:473

約数の個数: 144

約数和(自身を含む): 529804800

約数和(自身を除く): 340578560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 431, 448, 490, 560, 640, 686, 784, 862, 896, 980, 1120, 1280, 1372, 1568, 1715, 1724, 1792, 1960, 2155, 2240, 2744, 3017, 3136, 3430, 3448, 3920, 4310, 4480, 5488, 6034, 6272, 6860, 6896, 7840, 8620, 8960, 10976, 12068, 12544, 13720, 13792, 15085, 15680, 17240, 21119, 21952, 24136, 27440, 27584, 30170, 31360, 34480, 42238, 43904, 48272, 54880, 55168, 60340, 62720, 68960, 84476, 87808, 96544, 105595, 109760, 110336, 120680, 137920, 147833, 168952, 193088, 211190, 219520, 241360, 275840, 295666, 337904, 386176, 422380, 439040, 482720, 551680, 591332, 675808, 739165, 772352, 844760, 965440, 1182664, 1351616, 1478330, 1689520, 1930880, 2365328, 2703232, 2956660, 3379040, 3861760, 4730656, 5406464, 5913320, 6758080, 9461312, 11826640, 13516160, 18922624, 23653280, 27032320, 37845248, 47306560, 94613120, 189226240]

約数ペア:

[(1, 189226240), (2, 94613120), (4, 47306560), (5, 37845248), (7, 27032320), (8, 23653280), (10, 18922624), (14, 13516160), (16, 11826640), (20, 9461312), (28, 6758080), (32, 5913320), (35, 5406464), (40, 4730656), (49, 3861760), (56, 3379040), (64, 2956660), (70, 2703232), (80, 2365328), (98, 1930880), (112, 1689520), (128, 1478330), (140, 1351616), (160, 1182664), (196, 965440), (224, 844760), (245, 772352), (256, 739165), (280, 675808), (320, 591332), (343, 551680), (392, 482720), (431, 439040), (448, 422380), (490, 386176), (560, 337904), (640, 295666), (686, 275840), (784, 241360), (862, 219520), (896, 211190), (980, 193088), (1120, 168952), (1280, 147833), (1372, 137920), (1568, 120680), (1715, 110336), (1724, 109760), (1792, 105595), (1960, 96544), (2155, 87808), (2240, 84476), (2744, 68960), (3017, 62720), (3136, 60340), (3430, 55168), (3448, 54880), (3920, 48272), (4310, 43904), (4480, 42238), (5488, 34480), (6034, 31360), (6272, 30170), (6860, 27584), (6896, 27440), (7840, 24136), (8620, 21952), (8960, 21119), (10976, 17240), (12068, 15680), (12544, 15085), (13720, 13792)]