197519440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1$

素因数の和:884

約数の個数: 80

約数和(自身を含む): 486576000

約数和(自身を除く): 289056560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 199, 304, 380, 398, 653, 760, 796, 995, 1306, 1520, 1592, 1990, 2612, 3184, 3265, 3781, 3980, 5224, 6530, 7562, 7960, 10448, 12407, 13060, 15124, 15920, 18905, 24814, 26120, 30248, 37810, 49628, 52240, 60496, 62035, 75620, 99256, 124070, 129947, 151240, 198512, 248140, 259894, 302480, 496280, 519788, 649735, 992560, 1039576, 1299470, 2079152, 2468993, 2598940, 4937986, 5197880, 9875972, 10395760, 12344965, 19751944, 24689930, 39503888, 49379860, 98759720, 197519440]

約数ペア:

[(1, 197519440), (2, 98759720), (4, 49379860), (5, 39503888), (8, 24689930), (10, 19751944), (16, 12344965), (19, 10395760), (20, 9875972), (38, 5197880), (40, 4937986), (76, 2598940), (80, 2468993), (95, 2079152), (152, 1299470), (190, 1039576), (199, 992560), (304, 649735), (380, 519788), (398, 496280), (653, 302480), (760, 259894), (796, 248140), (995, 198512), (1306, 151240), (1520, 129947), (1592, 124070), (1990, 99256), (2612, 75620), (3184, 62035), (3265, 60496), (3781, 52240), (3980, 49628), (5224, 37810), (6530, 30248), (7562, 26120), (7960, 24814), (10448, 18905), (12407, 15920), (13060, 15124)]