209671000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:435

約数の個数: 192

約数和(自身を含む): 624218400

約数和(自身を除く): 414547400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 88, 98, 100, 110, 125, 140, 154, 175, 196, 200, 220, 245, 250, 275, 280, 308, 350, 385, 389, 392, 440, 490, 500, 539, 550, 616, 700, 770, 778, 875, 980, 1000, 1078, 1100, 1225, 1375, 1400, 1540, 1556, 1750, 1925, 1945, 1960, 2156, 2200, 2450, 2695, 2723, 2750, 3080, 3112, 3500, 3850, 3890, 4279, 4312, 4900, 5390, 5446, 5500, 6125, 7000, 7700, 7780, 8558, 9625, 9725, 9800, 10780, 10892, 11000, 12250, 13475, 13615, 15400, 15560, 17116, 19061, 19250, 19450, 21395, 21560, 21784, 24500, 26950, 27230, 29953, 34232, 38122, 38500, 38900, 42790, 48625, 49000, 53900, 54460, 59906, 67375, 68075, 76244, 77000, 77800, 85580, 95305, 97250, 106975, 107800, 108920, 119812, 134750, 136150, 149765, 152488, 171160, 190610, 194500, 209671, 213950, 239624, 269500, 272300, 299530, 340375, 381220, 389000, 419342, 427900, 476525, 534875, 539000, 544600, 599060, 680750, 748825, 762440, 838684, 855800, 953050, 1048355, 1069750, 1198120, 1361500, 1497650, 1677368, 1906100, 2096710, 2139500, 2382625, 2723000, 2995300, 3744125, 3812200, 4193420, 4279000, 4765250, 5241775, 5990600, 7488250, 8386840, 9530500, 10483550, 14976500, 19061000, 20967100, 26208875, 29953000, 41934200, 52417750, 104835500, 209671000]

約数ペア:

[(1, 209671000), (2, 104835500), (4, 52417750), (5, 41934200), (7, 29953000), (8, 26208875), (10, 20967100), (11, 19061000), (14, 14976500), (20, 10483550), (22, 9530500), (25, 8386840), (28, 7488250), (35, 5990600), (40, 5241775), (44, 4765250), (49, 4279000), (50, 4193420), (55, 3812200), (56, 3744125), (70, 2995300), (77, 2723000), (88, 2382625), (98, 2139500), (100, 2096710), (110, 1906100), (125, 1677368), (140, 1497650), (154, 1361500), (175, 1198120), (196, 1069750), (200, 1048355), (220, 953050), (245, 855800), (250, 838684), (275, 762440), (280, 748825), (308, 680750), (350, 599060), (385, 544600), (389, 539000), (392, 534875), (440, 476525), (490, 427900), (500, 419342), (539, 389000), (550, 381220), (616, 340375), (700, 299530), (770, 272300), (778, 269500), (875, 239624), (980, 213950), (1000, 209671), (1078, 194500), (1100, 190610), (1225, 171160), (1375, 152488), (1400, 149765), (1540, 136150), (1556, 134750), (1750, 119812), (1925, 108920), (1945, 107800), (1960, 106975), (2156, 97250), (2200, 95305), (2450, 85580), (2695, 77800), (2723, 77000), (2750, 76244), (3080, 68075), (3112, 67375), (3500, 59906), (3850, 54460), (3890, 53900), (4279, 49000), (4312, 48625), (4900, 42790), (5390, 38900), (5446, 38500), (5500, 38122), (6125, 34232), (7000, 29953), (7700, 27230), (7780, 26950), (8558, 24500), (9625, 21784), (9725, 21560), (9800, 21395), (10780, 19450), (10892, 19250), (11000, 19061), (12250, 17116), (13475, 15560), (13615, 15400)]