186439120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:465

約数の個数: 120

約数和(自身を含む): 508896000

約数和(自身を除く): 322456880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 199, 239, 245, 280, 392, 398, 478, 490, 560, 784, 796, 956, 980, 995, 1195, 1393, 1592, 1673, 1912, 1960, 1990, 2390, 2786, 3184, 3346, 3824, 3920, 3980, 4780, 5572, 6692, 6965, 7960, 8365, 9560, 9751, 11144, 11711, 13384, 13930, 15920, 16730, 19120, 19502, 22288, 23422, 26768, 27860, 33460, 39004, 46844, 47561, 48755, 55720, 58555, 66920, 78008, 93688, 95122, 97510, 111440, 117110, 133840, 156016, 187376, 190244, 195020, 234220, 237805, 332927, 380488, 390040, 468440, 475610, 665854, 760976, 780080, 936880, 951220, 1331708, 1664635, 1902440, 2330489, 2663416, 3329270, 3804880, 4660978, 5326832, 6658540, 9321956, 11652445, 13317080, 18643912, 23304890, 26634160, 37287824, 46609780, 93219560, 186439120]

約数ペア:

[(1, 186439120), (2, 93219560), (4, 46609780), (5, 37287824), (7, 26634160), (8, 23304890), (10, 18643912), (14, 13317080), (16, 11652445), (20, 9321956), (28, 6658540), (35, 5326832), (40, 4660978), (49, 3804880), (56, 3329270), (70, 2663416), (80, 2330489), (98, 1902440), (112, 1664635), (140, 1331708), (196, 951220), (199, 936880), (239, 780080), (245, 760976), (280, 665854), (392, 475610), (398, 468440), (478, 390040), (490, 380488), (560, 332927), (784, 237805), (796, 234220), (956, 195020), (980, 190244), (995, 187376), (1195, 156016), (1393, 133840), (1592, 117110), (1673, 111440), (1912, 97510), (1960, 95122), (1990, 93688), (2390, 78008), (2786, 66920), (3184, 58555), (3346, 55720), (3824, 48755), (3920, 47561), (3980, 46844), (4780, 39004), (5572, 33460), (6692, 27860), (6965, 26768), (7960, 23422), (8365, 22288), (9560, 19502), (9751, 19120), (11144, 16730), (11711, 15920), (13384, 13930)]