8998780

素因数分解:

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

素因数の和:251

約数の個数: 96

約数和(自身を含む): 24192000

約数和(自身を除く): 15193220

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 199, 238, 266, 323, 340, 380, 398, 476, 532, 595, 646, 665, 796, 995, 1190, 1292, 1330, 1393, 1615, 1990, 2261, 2380, 2660, 2786, 3230, 3383, 3781, 3980, 4522, 5572, 6460, 6766, 6965, 7562, 9044, 11305, 13532, 13930, 15124, 16915, 18905, 22610, 23681, 26467, 27860, 33830, 37810, 45220, 47362, 52934, 64277, 67660, 75620, 94724, 105868, 118405, 128554, 132335, 236810, 257108, 264670, 321385, 449939, 473620, 529340, 642770, 899878, 1285540, 1799756, 2249695, 4499390, 8998780]

約数ペア:

[(1, 8998780), (2, 4499390), (4, 2249695), (5, 1799756), (7, 1285540), (10, 899878), (14, 642770), (17, 529340), (19, 473620), (20, 449939), (28, 321385), (34, 264670), (35, 257108), (38, 236810), (68, 132335), (70, 128554), (76, 118405), (85, 105868), (95, 94724), (119, 75620), (133, 67660), (140, 64277), (170, 52934), (190, 47362), (199, 45220), (238, 37810), (266, 33830), (323, 27860), (340, 26467), (380, 23681), (398, 22610), (476, 18905), (532, 16915), (595, 15124), (646, 13930), (665, 13532), (796, 11305), (995, 9044), (1190, 7562), (1292, 6965), (1330, 6766), (1393, 6460), (1615, 5572), (1990, 4522), (2261, 3980), (2380, 3781), (2660, 3383), (2786, 3230)]