224900000

素因数分解:

$2^5\times 5^5\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 599446008

約数和(自身を除く): 374546008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 160, 173, 200, 208, 250, 260, 325, 346, 400, 416, 500, 520, 625, 650, 692, 800, 865, 1000, 1040, 1250, 1300, 1384, 1625, 1730, 2000, 2080, 2249, 2500, 2600, 2768, 3125, 3250, 3460, 4000, 4325, 4498, 5000, 5200, 5536, 6250, 6500, 6920, 8125, 8650, 8996, 10000, 10400, 11245, 12500, 13000, 13840, 16250, 17300, 17992, 20000, 21625, 22490, 25000, 26000, 27680, 32500, 34600, 35984, 40625, 43250, 44980, 50000, 52000, 56225, 65000, 69200, 71968, 81250, 86500, 89960, 100000, 108125, 112450, 130000, 138400, 162500, 173000, 179920, 216250, 224900, 260000, 281125, 325000, 346000, 359840, 432500, 449800, 540625, 562250, 650000, 692000, 865000, 899600, 1081250, 1124500, 1300000, 1405625, 1730000, 1799200, 2162500, 2249000, 2811250, 3460000, 4325000, 4498000, 5622500, 7028125, 8650000, 8996000, 11245000, 14056250, 17300000, 22490000, 28112500, 44980000, 56225000, 112450000, 224900000]

約数ペア:

[(1, 224900000), (2, 112450000), (4, 56225000), (5, 44980000), (8, 28112500), (10, 22490000), (13, 17300000), (16, 14056250), (20, 11245000), (25, 8996000), (26, 8650000), (32, 7028125), (40, 5622500), (50, 4498000), (52, 4325000), (65, 3460000), (80, 2811250), (100, 2249000), (104, 2162500), (125, 1799200), (130, 1730000), (160, 1405625), (173, 1300000), (200, 1124500), (208, 1081250), (250, 899600), (260, 865000), (325, 692000), (346, 650000), (400, 562250), (416, 540625), (500, 449800), (520, 432500), (625, 359840), (650, 346000), (692, 325000), (800, 281125), (865, 260000), (1000, 224900), (1040, 216250), (1250, 179920), (1300, 173000), (1384, 162500), (1625, 138400), (1730, 130000), (2000, 112450), (2080, 108125), (2249, 100000), (2500, 89960), (2600, 86500), (2768, 81250), (3125, 71968), (3250, 69200), (3460, 65000), (4000, 56225), (4325, 52000), (4498, 50000), (5000, 44980), (5200, 43250), (5536, 40625), (6250, 35984), (6500, 34600), (6920, 32500), (8125, 27680), (8650, 26000), (8996, 25000), (10000, 22490), (10400, 21625), (11245, 20000), (12500, 17992), (13000, 17300), (13840, 16250)]