17997560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 51840000

約数和(自身を除く): 33842440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 199, 238, 266, 280, 323, 340, 380, 398, 476, 532, 595, 646, 665, 680, 760, 796, 952, 995, 1064, 1190, 1292, 1330, 1393, 1592, 1615, 1990, 2261, 2380, 2584, 2660, 2786, 3230, 3383, 3781, 3980, 4522, 4760, 5320, 5572, 6460, 6766, 6965, 7562, 7960, 9044, 11144, 11305, 12920, 13532, 13930, 15124, 16915, 18088, 18905, 22610, 23681, 26467, 27064, 27860, 30248, 33830, 37810, 45220, 47362, 52934, 55720, 64277, 67660, 75620, 90440, 94724, 105868, 118405, 128554, 132335, 135320, 151240, 189448, 211736, 236810, 257108, 264670, 321385, 449939, 473620, 514216, 529340, 642770, 899878, 947240, 1058680, 1285540, 1799756, 2249695, 2571080, 3599512, 4499390, 8998780, 17997560]

約数ペア:

[(1, 17997560), (2, 8998780), (4, 4499390), (5, 3599512), (7, 2571080), (8, 2249695), (10, 1799756), (14, 1285540), (17, 1058680), (19, 947240), (20, 899878), (28, 642770), (34, 529340), (35, 514216), (38, 473620), (40, 449939), (56, 321385), (68, 264670), (70, 257108), (76, 236810), (85, 211736), (95, 189448), (119, 151240), (133, 135320), (136, 132335), (140, 128554), (152, 118405), (170, 105868), (190, 94724), (199, 90440), (238, 75620), (266, 67660), (280, 64277), (323, 55720), (340, 52934), (380, 47362), (398, 45220), (476, 37810), (532, 33830), (595, 30248), (646, 27860), (665, 27064), (680, 26467), (760, 23681), (796, 22610), (952, 18905), (995, 18088), (1064, 16915), (1190, 15124), (1292, 13930), (1330, 13532), (1393, 12920), (1592, 11305), (1615, 11144), (1990, 9044), (2261, 7960), (2380, 7562), (2584, 6965), (2660, 6766), (2786, 6460), (3230, 5572), (3383, 5320), (3781, 4760), (3980, 4522)]