2988390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 7713792

約数和(自身を除く): 4725402

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 61, 69, 71, 115, 122, 138, 142, 183, 213, 230, 305, 345, 355, 366, 426, 610, 690, 710, 915, 1065, 1403, 1633, 1830, 2130, 2806, 3266, 4209, 4331, 4899, 7015, 8165, 8418, 8662, 9798, 12993, 14030, 16330, 21045, 21655, 24495, 25986, 42090, 43310, 48990, 64965, 99613, 129930, 199226, 298839, 498065, 597678, 996130, 1494195, 2988390]

約数ペア:

[(1, 2988390), (2, 1494195), (3, 996130), (5, 597678), (6, 498065), (10, 298839), (15, 199226), (23, 129930), (30, 99613), (46, 64965), (61, 48990), (69, 43310), (71, 42090), (115, 25986), (122, 24495), (138, 21655), (142, 21045), (183, 16330), (213, 14030), (230, 12993), (305, 9798), (345, 8662), (355, 8418), (366, 8165), (426, 7015), (610, 4899), (690, 4331), (710, 4209), (915, 3266), (1065, 2806), (1403, 2130), (1633, 1830)]