202240000

素因数分解:

$2^{12}\times 5^4\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 130

約数和(自身を含む): 511773680

約数和(自身を除く): 309533680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 125, 128, 158, 160, 200, 250, 256, 316, 320, 395, 400, 500, 512, 625, 632, 640, 790, 800, 1000, 1024, 1250, 1264, 1280, 1580, 1600, 1975, 2000, 2048, 2500, 2528, 2560, 3160, 3200, 3950, 4000, 4096, 5000, 5056, 5120, 6320, 6400, 7900, 8000, 9875, 10000, 10112, 10240, 12640, 12800, 15800, 16000, 19750, 20000, 20224, 20480, 25280, 25600, 31600, 32000, 39500, 40000, 40448, 49375, 50560, 51200, 63200, 64000, 79000, 80000, 80896, 98750, 101120, 102400, 126400, 128000, 158000, 160000, 161792, 197500, 202240, 252800, 256000, 316000, 320000, 323584, 395000, 404480, 505600, 512000, 632000, 640000, 790000, 808960, 1011200, 1264000, 1280000, 1580000, 1617920, 2022400, 2528000, 2560000, 3160000, 4044800, 5056000, 6320000, 8089600, 10112000, 12640000, 20224000, 25280000, 40448000, 50560000, 101120000, 202240000]

約数ペア:

[(1, 202240000), (2, 101120000), (4, 50560000), (5, 40448000), (8, 25280000), (10, 20224000), (16, 12640000), (20, 10112000), (25, 8089600), (32, 6320000), (40, 5056000), (50, 4044800), (64, 3160000), (79, 2560000), (80, 2528000), (100, 2022400), (125, 1617920), (128, 1580000), (158, 1280000), (160, 1264000), (200, 1011200), (250, 808960), (256, 790000), (316, 640000), (320, 632000), (395, 512000), (400, 505600), (500, 404480), (512, 395000), (625, 323584), (632, 320000), (640, 316000), (790, 256000), (800, 252800), (1000, 202240), (1024, 197500), (1250, 161792), (1264, 160000), (1280, 158000), (1580, 128000), (1600, 126400), (1975, 102400), (2000, 101120), (2048, 98750), (2500, 80896), (2528, 80000), (2560, 79000), (3160, 64000), (3200, 63200), (3950, 51200), (4000, 50560), (4096, 49375), (5000, 40448), (5056, 40000), (5120, 39500), (6320, 32000), (6400, 31600), (7900, 25600), (8000, 25280), (9875, 20480), (10000, 20224), (10112, 20000), (10240, 19750), (12640, 16000), (12800, 15800)]