204070400

素因数分解:

$2^9\times 5^2\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 120

約数和(自身を含む): 513750600

約数和(自身を除く): 309680200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 107, 128, 149, 160, 200, 214, 256, 298, 320, 400, 428, 512, 535, 596, 640, 745, 800, 856, 1070, 1192, 1280, 1490, 1600, 1712, 2140, 2384, 2560, 2675, 2980, 3200, 3424, 3725, 4280, 4768, 5350, 5960, 6400, 6848, 7450, 8560, 9536, 10700, 11920, 12800, 13696, 14900, 15943, 17120, 19072, 21400, 23840, 27392, 29800, 31886, 34240, 38144, 42800, 47680, 54784, 59600, 63772, 68480, 76288, 79715, 85600, 95360, 119200, 127544, 136960, 159430, 171200, 190720, 238400, 255088, 273920, 318860, 342400, 381440, 398575, 476800, 510176, 637720, 684800, 797150, 953600, 1020352, 1275440, 1369600, 1594300, 1907200, 2040704, 2550880, 3188600, 4081408, 5101760, 6377200, 8162816, 10203520, 12754400, 20407040, 25508800, 40814080, 51017600, 102035200, 204070400]

約数ペア:

[(1, 204070400), (2, 102035200), (4, 51017600), (5, 40814080), (8, 25508800), (10, 20407040), (16, 12754400), (20, 10203520), (25, 8162816), (32, 6377200), (40, 5101760), (50, 4081408), (64, 3188600), (80, 2550880), (100, 2040704), (107, 1907200), (128, 1594300), (149, 1369600), (160, 1275440), (200, 1020352), (214, 953600), (256, 797150), (298, 684800), (320, 637720), (400, 510176), (428, 476800), (512, 398575), (535, 381440), (596, 342400), (640, 318860), (745, 273920), (800, 255088), (856, 238400), (1070, 190720), (1192, 171200), (1280, 159430), (1490, 136960), (1600, 127544), (1712, 119200), (2140, 95360), (2384, 85600), (2560, 79715), (2675, 76288), (2980, 68480), (3200, 63772), (3424, 59600), (3725, 54784), (4280, 47680), (4768, 42800), (5350, 38144), (5960, 34240), (6400, 31886), (6848, 29800), (7450, 27392), (8560, 23840), (9536, 21400), (10700, 19072), (11920, 17120), (12800, 15943), (13696, 14900)]