197409440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{72577}}^1$

素因数の和:72609

約数の個数: 48

約数和(自身を含む): 493820712

約数和(自身を除く): 296411272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 72577, 145154, 290308, 362885, 580616, 725770, 1161232, 1233809, 1451540, 2322464, 2467618, 2903080, 4935236, 5806160, 6169045, 9870472, 11612320, 12338090, 19740944, 24676180, 39481888, 49352360, 98704720, 197409440]

約数ペア:

[(1, 197409440), (2, 98704720), (4, 49352360), (5, 39481888), (8, 24676180), (10, 19740944), (16, 12338090), (17, 11612320), (20, 9870472), (32, 6169045), (34, 5806160), (40, 4935236), (68, 2903080), (80, 2467618), (85, 2322464), (136, 1451540), (160, 1233809), (170, 1161232), (272, 725770), (340, 580616), (544, 362885), (680, 290308), (1360, 145154), (2720, 72577)]