78774400

素因数分解:

$2^7\times 5^2\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:366

約数の個数: 96

約数和(自身を含む): 197308800

約数和(自身を除く): 118534400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 103, 128, 160, 200, 206, 239, 320, 400, 412, 478, 515, 640, 800, 824, 956, 1030, 1195, 1600, 1648, 1912, 2060, 2390, 2575, 3200, 3296, 3824, 4120, 4780, 5150, 5975, 6592, 7648, 8240, 9560, 10300, 11950, 13184, 15296, 16480, 19120, 20600, 23900, 24617, 30592, 32960, 38240, 41200, 47800, 49234, 65920, 76480, 82400, 95600, 98468, 123085, 152960, 164800, 191200, 196936, 246170, 329600, 382400, 393872, 492340, 615425, 764800, 787744, 984680, 1230850, 1575488, 1969360, 2461700, 3150976, 3938720, 4923400, 7877440, 9846800, 15754880, 19693600, 39387200, 78774400]

約数ペア:

[(1, 78774400), (2, 39387200), (4, 19693600), (5, 15754880), (8, 9846800), (10, 7877440), (16, 4923400), (20, 3938720), (25, 3150976), (32, 2461700), (40, 1969360), (50, 1575488), (64, 1230850), (80, 984680), (100, 787744), (103, 764800), (128, 615425), (160, 492340), (200, 393872), (206, 382400), (239, 329600), (320, 246170), (400, 196936), (412, 191200), (478, 164800), (515, 152960), (640, 123085), (800, 98468), (824, 95600), (956, 82400), (1030, 76480), (1195, 65920), (1600, 49234), (1648, 47800), (1912, 41200), (2060, 38240), (2390, 32960), (2575, 30592), (3200, 24617), (3296, 23900), (3824, 20600), (4120, 19120), (4780, 16480), (5150, 15296), (5975, 13184), (6592, 11950), (7648, 10300), (8240, 9560)]