29919575

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 45800640

約数和(自身を除く): 15881065

約数列:

[1, 5, 7, 17, 25, 35, 85, 89, 113, 119, 175, 425, 445, 565, 595, 623, 791, 1513, 1921, 2225, 2825, 2975, 3115, 3955, 7565, 9605, 10057, 10591, 13447, 15575, 19775, 37825, 48025, 50285, 52955, 67235, 70399, 170969, 251425, 264775, 336175, 351995, 854845, 1196783, 1759975, 4274225, 5983915, 29919575]

約数ペア:

[(1, 29919575), (5, 5983915), (7, 4274225), (17, 1759975), (25, 1196783), (35, 854845), (85, 351995), (89, 336175), (113, 264775), (119, 251425), (175, 170969), (425, 70399), (445, 67235), (565, 52955), (595, 50285), (623, 48025), (791, 37825), (1513, 19775), (1921, 15575), (2225, 13447), (2825, 10591), (2975, 10057), (3115, 9605), (3955, 7565)]