31495730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 73872000

約数和(自身を除く): 42376270

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 49, 70, 85, 95, 98, 119, 133, 170, 190, 199, 238, 245, 266, 323, 398, 490, 595, 646, 665, 833, 931, 995, 1190, 1330, 1393, 1615, 1666, 1862, 1990, 2261, 2786, 3230, 3383, 3781, 4165, 4522, 4655, 6766, 6965, 7562, 8330, 9310, 9751, 11305, 13930, 15827, 16915, 18905, 19502, 22610, 23681, 26467, 31654, 33830, 37810, 47362, 48755, 52934, 64277, 79135, 97510, 118405, 128554, 132335, 158270, 165767, 185269, 236810, 264670, 321385, 331534, 370538, 449939, 642770, 828835, 899878, 926345, 1657670, 1852690, 2249695, 3149573, 4499390, 6299146, 15747865, 31495730]

約数ペア:

[(1, 31495730), (2, 15747865), (5, 6299146), (7, 4499390), (10, 3149573), (14, 2249695), (17, 1852690), (19, 1657670), (34, 926345), (35, 899878), (38, 828835), (49, 642770), (70, 449939), (85, 370538), (95, 331534), (98, 321385), (119, 264670), (133, 236810), (170, 185269), (190, 165767), (199, 158270), (238, 132335), (245, 128554), (266, 118405), (323, 97510), (398, 79135), (490, 64277), (595, 52934), (646, 48755), (665, 47362), (833, 37810), (931, 33830), (995, 31654), (1190, 26467), (1330, 23681), (1393, 22610), (1615, 19502), (1666, 18905), (1862, 16915), (1990, 15827), (2261, 13930), (2786, 11305), (3230, 9751), (3383, 9310), (3781, 8330), (4165, 7562), (4522, 6965), (4655, 6766)]