201602920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 506880000

約数和(自身を除く): 305277080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 43, 62, 76, 86, 95, 124, 152, 155, 172, 190, 199, 215, 248, 310, 344, 380, 398, 430, 589, 620, 760, 796, 817, 860, 995, 1178, 1240, 1333, 1592, 1634, 1720, 1990, 2356, 2666, 2945, 3268, 3781, 3980, 4085, 4712, 5332, 5890, 6169, 6536, 6665, 7562, 7960, 8170, 8557, 10664, 11780, 12338, 13330, 15124, 16340, 17114, 18905, 23560, 24676, 25327, 26660, 30248, 30845, 32680, 34228, 37810, 42785, 49352, 50654, 53320, 61690, 68456, 75620, 85570, 101308, 117211, 123380, 126635, 151240, 162583, 171140, 202616, 234422, 246760, 253270, 265267, 325166, 342280, 468844, 506540, 530534, 586055, 650332, 812915, 937688, 1013080, 1061068, 1172110, 1300664, 1326335, 1625830, 2122136, 2344220, 2652670, 3251660, 4688440, 5040073, 5305340, 6503320, 10080146, 10610680, 20160292, 25200365, 40320584, 50400730, 100801460, 201602920]

約数ペア:

[(1, 201602920), (2, 100801460), (4, 50400730), (5, 40320584), (8, 25200365), (10, 20160292), (19, 10610680), (20, 10080146), (31, 6503320), (38, 5305340), (40, 5040073), (43, 4688440), (62, 3251660), (76, 2652670), (86, 2344220), (95, 2122136), (124, 1625830), (152, 1326335), (155, 1300664), (172, 1172110), (190, 1061068), (199, 1013080), (215, 937688), (248, 812915), (310, 650332), (344, 586055), (380, 530534), (398, 506540), (430, 468844), (589, 342280), (620, 325166), (760, 265267), (796, 253270), (817, 246760), (860, 234422), (995, 202616), (1178, 171140), (1240, 162583), (1333, 151240), (1592, 126635), (1634, 123380), (1720, 117211), (1990, 101308), (2356, 85570), (2666, 75620), (2945, 68456), (3268, 61690), (3781, 53320), (3980, 50654), (4085, 49352), (4712, 42785), (5332, 37810), (5890, 34228), (6169, 32680), (6536, 30845), (6665, 30248), (7562, 26660), (7960, 25327), (8170, 24676), (8557, 23560), (10664, 18905), (11780, 17114), (12338, 16340), (13330, 15124)]