328076920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{1601}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 761270400

約数和(自身を除く): 433193480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 109, 188, 218, 235, 376, 436, 470, 545, 872, 940, 1090, 1601, 1880, 2180, 3202, 4360, 5123, 6404, 8005, 10246, 12808, 16010, 20492, 25615, 32020, 40984, 51230, 64040, 75247, 102460, 150494, 174509, 204920, 300988, 349018, 376235, 601976, 698036, 752470, 872545, 1396072, 1504940, 1745090, 3009880, 3490180, 6980360, 8201923, 16403846, 32807692, 41009615, 65615384, 82019230, 164038460, 328076920]

約数ペア:

[(1, 328076920), (2, 164038460), (4, 82019230), (5, 65615384), (8, 41009615), (10, 32807692), (20, 16403846), (40, 8201923), (47, 6980360), (94, 3490180), (109, 3009880), (188, 1745090), (218, 1504940), (235, 1396072), (376, 872545), (436, 752470), (470, 698036), (545, 601976), (872, 376235), (940, 349018), (1090, 300988), (1601, 204920), (1880, 174509), (2180, 150494), (3202, 102460), (4360, 75247), (5123, 64040), (6404, 51230), (8005, 40984), (10246, 32020), (12808, 25615), (16010, 20492)]