71725570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 156672000

約数和(自身を除く): 84946430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 199, 266, 271, 398, 542, 665, 995, 1330, 1355, 1393, 1897, 1990, 2710, 2786, 3781, 3794, 5149, 6965, 7562, 9485, 10298, 13930, 18905, 18970, 25745, 26467, 36043, 37810, 51490, 52934, 53929, 72086, 107858, 132335, 180215, 264670, 269645, 360430, 377503, 539290, 755006, 1024651, 1887515, 2049302, 3775030, 5123255, 7172557, 10246510, 14345114, 35862785, 71725570]

約数ペア:

[(1, 71725570), (2, 35862785), (5, 14345114), (7, 10246510), (10, 7172557), (14, 5123255), (19, 3775030), (35, 2049302), (38, 1887515), (70, 1024651), (95, 755006), (133, 539290), (190, 377503), (199, 360430), (266, 269645), (271, 264670), (398, 180215), (542, 132335), (665, 107858), (995, 72086), (1330, 53929), (1355, 52934), (1393, 51490), (1897, 37810), (1990, 36043), (2710, 26467), (2786, 25745), (3781, 18970), (3794, 18905), (5149, 13930), (6965, 10298), (7562, 9485)]