2158489600

素因数分解:

$2^{12}\times 5^2\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:338

約数の個数: 156

約数和(自身を含む): 5429846664

約数和(自身を除く): 3271357064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 107, 128, 160, 197, 200, 214, 256, 320, 394, 400, 428, 512, 535, 640, 788, 800, 856, 985, 1024, 1070, 1280, 1576, 1600, 1712, 1970, 2048, 2140, 2560, 2675, 3152, 3200, 3424, 3940, 4096, 4280, 4925, 5120, 5350, 6304, 6400, 6848, 7880, 8560, 9850, 10240, 10700, 12608, 12800, 13696, 15760, 17120, 19700, 20480, 21079, 21400, 25216, 25600, 27392, 31520, 34240, 39400, 42158, 42800, 50432, 51200, 54784, 63040, 68480, 78800, 84316, 85600, 100864, 102400, 105395, 109568, 126080, 136960, 157600, 168632, 171200, 201728, 210790, 219136, 252160, 273920, 315200, 337264, 342400, 403456, 421580, 438272, 504320, 526975, 547840, 630400, 674528, 684800, 806912, 843160, 1008640, 1053950, 1095680, 1260800, 1349056, 1369600, 1686320, 2017280, 2107900, 2191360, 2521600, 2698112, 2739200, 3372640, 4034560, 4215800, 5043200, 5396224, 5478400, 6745280, 8431600, 10086400, 10792448, 10956800, 13490560, 16863200, 20172800, 21584896, 26981120, 33726400, 43169792, 53962240, 67452800, 86339584, 107924480, 134905600, 215848960, 269811200, 431697920, 539622400, 1079244800, 2158489600]

約数ペア:

[(1, 2158489600), (2, 1079244800), (4, 539622400), (5, 431697920), (8, 269811200), (10, 215848960), (16, 134905600), (20, 107924480), (25, 86339584), (32, 67452800), (40, 53962240), (50, 43169792), (64, 33726400), (80, 26981120), (100, 21584896), (107, 20172800), (128, 16863200), (160, 13490560), (197, 10956800), (200, 10792448), (214, 10086400), (256, 8431600), (320, 6745280), (394, 5478400), (400, 5396224), (428, 5043200), (512, 4215800), (535, 4034560), (640, 3372640), (788, 2739200), (800, 2698112), (856, 2521600), (985, 2191360), (1024, 2107900), (1070, 2017280), (1280, 1686320), (1576, 1369600), (1600, 1349056), (1712, 1260800), (1970, 1095680), (2048, 1053950), (2140, 1008640), (2560, 843160), (2675, 806912), (3152, 684800), (3200, 674528), (3424, 630400), (3940, 547840), (4096, 526975), (4280, 504320), (4925, 438272), (5120, 421580), (5350, 403456), (6304, 342400), (6400, 337264), (6848, 315200), (7880, 273920), (8560, 252160), (9850, 219136), (10240, 210790), (10700, 201728), (12608, 171200), (12800, 168632), (13696, 157600), (15760, 136960), (17120, 126080), (19700, 109568), (20480, 105395), (21079, 102400), (21400, 100864), (25216, 85600), (25600, 84316), (27392, 78800), (31520, 68480), (34240, 63040), (39400, 54784), (42158, 51200), (42800, 50432)]