209178990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2111}}^1$

素因数の和:2494

約数の個数: 64

約数和(自身を含む): 559595520

約数和(自身を除く): 350416530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 367, 734, 1101, 1835, 2111, 2202, 3303, 3670, 4222, 5505, 6333, 6606, 9909, 10555, 11010, 12666, 16515, 18999, 19818, 21110, 31665, 33030, 37998, 49545, 56997, 63330, 94995, 99090, 113994, 189990, 284985, 569970, 774737, 1549474, 2324211, 3873685, 4648422, 6972633, 7747370, 11621055, 13945266, 20917899, 23242110, 34863165, 41835798, 69726330, 104589495, 209178990]

約数ペア:

[(1, 209178990), (2, 104589495), (3, 69726330), (5, 41835798), (6, 34863165), (9, 23242110), (10, 20917899), (15, 13945266), (18, 11621055), (27, 7747370), (30, 6972633), (45, 4648422), (54, 3873685), (90, 2324211), (135, 1549474), (270, 774737), (367, 569970), (734, 284985), (1101, 189990), (1835, 113994), (2111, 99090), (2202, 94995), (3303, 63330), (3670, 56997), (4222, 49545), (5505, 37998), (6333, 33030), (6606, 31665), (9909, 21110), (10555, 19818), (11010, 18999), (12666, 16515)]