254767520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{227471}}^1$

素因数の和:227493

約数の個数: 48

約数和(自身を含む): 687875328

約数和(自身を除く): 433107808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 227471, 454942, 909884, 1137355, 1592297, 1819768, 2274710, 3184594, 3639536, 4549420, 6369188, 7279072, 7961485, 9098840, 12738376, 15922970, 18197680, 25476752, 31845940, 36395360, 50953504, 63691880, 127383760, 254767520]

約数ペア:

[(1, 254767520), (2, 127383760), (4, 63691880), (5, 50953504), (7, 36395360), (8, 31845940), (10, 25476752), (14, 18197680), (16, 15922970), (20, 12738376), (28, 9098840), (32, 7961485), (35, 7279072), (40, 6369188), (56, 4549420), (70, 3639536), (80, 3184594), (112, 2274710), (140, 1819768), (160, 1592297), (224, 1137355), (280, 909884), (560, 454942), (1120, 227471)]