919348540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:827

約数の個数: 96

約数和(自身を含む): 2162974464

約数和(自身を除く): 1243625924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 97, 110, 134, 194, 220, 268, 335, 388, 485, 643, 670, 737, 970, 1067, 1286, 1340, 1474, 1940, 2134, 2572, 2948, 3215, 3685, 4268, 5335, 6430, 6499, 7073, 7370, 10670, 12860, 12998, 14146, 14740, 21340, 25996, 28292, 32495, 35365, 43081, 62371, 64990, 70730, 71489, 86162, 124742, 129980, 141460, 142978, 172324, 215405, 249484, 285956, 311855, 357445, 430810, 473891, 623710, 686081, 714890, 861620, 947782, 1247420, 1372162, 1429780, 1895564, 2369455, 2744324, 3430405, 4178857, 4738910, 6860810, 8357714, 9477820, 13721620, 16715428, 20894285, 41788570, 45967427, 83577140, 91934854, 183869708, 229837135, 459674270, 919348540]

約数ペア:

[(1, 919348540), (2, 459674270), (4, 229837135), (5, 183869708), (10, 91934854), (11, 83577140), (20, 45967427), (22, 41788570), (44, 20894285), (55, 16715428), (67, 13721620), (97, 9477820), (110, 8357714), (134, 6860810), (194, 4738910), (220, 4178857), (268, 3430405), (335, 2744324), (388, 2369455), (485, 1895564), (643, 1429780), (670, 1372162), (737, 1247420), (970, 947782), (1067, 861620), (1286, 714890), (1340, 686081), (1474, 623710), (1940, 473891), (2134, 430810), (2572, 357445), (2948, 311855), (3215, 285956), (3685, 249484), (4268, 215405), (5335, 172324), (6430, 142978), (6499, 141460), (7073, 129980), (7370, 124742), (10670, 86162), (12860, 71489), (12998, 70730), (14146, 64990), (14740, 62371), (21340, 43081), (25996, 35365), (28292, 32495)]