89999840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{751}}^1$

素因数の和:880

約数の個数: 96

約数和(自身を含む): 245597184

約数和(自身を除く): 155597344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 107, 112, 140, 160, 214, 224, 280, 428, 535, 560, 749, 751, 856, 1070, 1120, 1498, 1502, 1712, 2140, 2996, 3004, 3424, 3745, 3755, 4280, 5257, 5992, 6008, 7490, 7510, 8560, 10514, 11984, 12016, 14980, 15020, 17120, 21028, 23968, 24032, 26285, 29960, 30040, 42056, 52570, 59920, 60080, 80357, 84112, 105140, 119840, 120160, 160714, 168224, 210280, 321428, 401785, 420560, 562499, 642856, 803570, 841120, 1124998, 1285712, 1607140, 2249996, 2571424, 2812495, 3214280, 4499992, 5624990, 6428560, 8999984, 11249980, 12857120, 17999968, 22499960, 44999920, 89999840]

約数ペア:

[(1, 89999840), (2, 44999920), (4, 22499960), (5, 17999968), (7, 12857120), (8, 11249980), (10, 8999984), (14, 6428560), (16, 5624990), (20, 4499992), (28, 3214280), (32, 2812495), (35, 2571424), (40, 2249996), (56, 1607140), (70, 1285712), (80, 1124998), (107, 841120), (112, 803570), (140, 642856), (160, 562499), (214, 420560), (224, 401785), (280, 321428), (428, 210280), (535, 168224), (560, 160714), (749, 120160), (751, 119840), (856, 105140), (1070, 84112), (1120, 80357), (1498, 60080), (1502, 59920), (1712, 52570), (2140, 42056), (2996, 30040), (3004, 29960), (3424, 26285), (3745, 24032), (3755, 23968), (4280, 21028), (5257, 17120), (5992, 15020), (6008, 14980), (7490, 12016), (7510, 11984), (8560, 10514)]