349969280

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{5309}}^1$

素因数の和:5431

約数の個数: 64

約数和(自身を含む): 844927200

約数和(自身を除く): 494957920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 320, 412, 515, 640, 824, 1030, 1648, 2060, 3296, 4120, 5309, 6592, 8240, 10618, 13184, 16480, 21236, 26545, 32960, 42472, 53090, 65920, 84944, 106180, 169888, 212360, 339776, 424720, 546827, 679552, 849440, 1093654, 1698880, 2187308, 2734135, 3397760, 4374616, 5468270, 8749232, 10936540, 17498464, 21873080, 34996928, 43746160, 69993856, 87492320, 174984640, 349969280]

約数ペア:

[(1, 349969280), (2, 174984640), (4, 87492320), (5, 69993856), (8, 43746160), (10, 34996928), (16, 21873080), (20, 17498464), (32, 10936540), (40, 8749232), (64, 5468270), (80, 4374616), (103, 3397760), (128, 2734135), (160, 2187308), (206, 1698880), (320, 1093654), (412, 849440), (515, 679552), (640, 546827), (824, 424720), (1030, 339776), (1648, 212360), (2060, 169888), (3296, 106180), (4120, 84944), (5309, 65920), (6592, 53090), (8240, 42472), (10618, 32960), (13184, 26545), (16480, 21236)]