148971400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 368280000

約数和(自身を除く): 219308600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 197, 199, 200, 380, 394, 398, 475, 760, 788, 796, 950, 985, 995, 1576, 1592, 1900, 1970, 1990, 3743, 3781, 3800, 3940, 3980, 4925, 4975, 7486, 7562, 7880, 7960, 9850, 9950, 14972, 15124, 18715, 18905, 19700, 19900, 29944, 30248, 37430, 37810, 39203, 39400, 39800, 74860, 75620, 78406, 93575, 94525, 149720, 151240, 156812, 187150, 189050, 196015, 313624, 374300, 378100, 392030, 744857, 748600, 756200, 784060, 980075, 1489714, 1568120, 1960150, 2979428, 3724285, 3920300, 5958856, 7448570, 7840600, 14897140, 18621425, 29794280, 37242850, 74485700, 148971400]

約数ペア:

[(1, 148971400), (2, 74485700), (4, 37242850), (5, 29794280), (8, 18621425), (10, 14897140), (19, 7840600), (20, 7448570), (25, 5958856), (38, 3920300), (40, 3724285), (50, 2979428), (76, 1960150), (95, 1568120), (100, 1489714), (152, 980075), (190, 784060), (197, 756200), (199, 748600), (200, 744857), (380, 392030), (394, 378100), (398, 374300), (475, 313624), (760, 196015), (788, 189050), (796, 187150), (950, 156812), (985, 151240), (995, 149720), (1576, 94525), (1592, 93575), (1900, 78406), (1970, 75620), (1990, 74860), (3743, 39800), (3781, 39400), (3800, 39203), (3940, 37810), (3980, 37430), (4925, 30248), (4975, 29944), (7486, 19900), (7562, 19700), (7880, 18905), (7960, 18715), (9850, 15124), (9950, 14972)]