4499390

素因数分解:

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

素因数の和:249

約数の個数: 64

約数和(自身を含む): 10368000

約数和(自身を除く): 5868610

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 199, 238, 266, 323, 398, 595, 646, 665, 995, 1190, 1330, 1393, 1615, 1990, 2261, 2786, 3230, 3383, 3781, 4522, 6766, 6965, 7562, 11305, 13930, 16915, 18905, 22610, 23681, 26467, 33830, 37810, 47362, 52934, 64277, 118405, 128554, 132335, 236810, 264670, 321385, 449939, 642770, 899878, 2249695, 4499390]

約数ペア:

[(1, 4499390), (2, 2249695), (5, 899878), (7, 642770), (10, 449939), (14, 321385), (17, 264670), (19, 236810), (34, 132335), (35, 128554), (38, 118405), (70, 64277), (85, 52934), (95, 47362), (119, 37810), (133, 33830), (170, 26467), (190, 23681), (199, 22610), (238, 18905), (266, 16915), (323, 13930), (398, 11305), (595, 7562), (646, 6965), (665, 6766), (995, 4522), (1190, 3781), (1330, 3383), (1393, 3230), (1615, 2786), (1990, 2261)]