1900771840

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67499}}^1$

素因数の和:67533

約数の個数: 80

約数和(自身を含む): 4971780000

約数和(自身を除く): 3071008160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 3520, 5632, 7040, 14080, 28160, 67499, 134998, 269996, 337495, 539992, 674990, 742489, 1079984, 1349980, 1484978, 2159968, 2699960, 2969956, 3712445, 4319936, 5399920, 5939912, 7424890, 8639872, 10799840, 11879824, 14849780, 17279744, 21599680, 23759648, 29699560, 34559488, 43199360, 47519296, 59399120, 86398720, 95038592, 118798240, 172797440, 190077184, 237596480, 380154368, 475192960, 950385920, 1900771840]

約数ペア:

[(1, 1900771840), (2, 950385920), (4, 475192960), (5, 380154368), (8, 237596480), (10, 190077184), (11, 172797440), (16, 118798240), (20, 95038592), (22, 86398720), (32, 59399120), (40, 47519296), (44, 43199360), (55, 34559488), (64, 29699560), (80, 23759648), (88, 21599680), (110, 17279744), (128, 14849780), (160, 11879824), (176, 10799840), (220, 8639872), (256, 7424890), (320, 5939912), (352, 5399920), (440, 4319936), (512, 3712445), (640, 2969956), (704, 2699960), (880, 2159968), (1280, 1484978), (1408, 1349980), (1760, 1079984), (2560, 742489), (2816, 674990), (3520, 539992), (5632, 337495), (7040, 269996), (14080, 134998), (28160, 67499)]