2017442620

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{479}}^1\times {\mathrm{839}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 4267468800

約数和(自身を除く): 2250026180

約数列:

[1, 2, 4, 5, 10, 20, 251, 479, 502, 839, 958, 1004, 1255, 1678, 1916, 2395, 2510, 3356, 4195, 4790, 5020, 8390, 9580, 16780, 120229, 210589, 240458, 401881, 421178, 480916, 601145, 803762, 842356, 1052945, 1202290, 1607524, 2009405, 2105890, 2404580, 4018810, 4211780, 8037620, 100872131, 201744262, 403488524, 504360655, 1008721310, 2017442620]

約数ペア:

[(1, 2017442620), (2, 1008721310), (4, 504360655), (5, 403488524), (10, 201744262), (20, 100872131), (251, 8037620), (479, 4211780), (502, 4018810), (839, 2404580), (958, 2105890), (1004, 2009405), (1255, 1607524), (1678, 1202290), (1916, 1052945), (2395, 842356), (2510, 803762), (3356, 601145), (4195, 480916), (4790, 421178), (5020, 401881), (8390, 240458), (9580, 210589), (16780, 120229)]