4042220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2250

約数の個数: 48

約数和(自身を含む): 10452288

約数和(自身を除く): 6410068

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2221, 4442, 8884, 11105, 15547, 22210, 28873, 31094, 44420, 57746, 62188, 77735, 115492, 144365, 155470, 202111, 288730, 310940, 404222, 577460, 808444, 1010555, 2021110, 4042220]

約数ペア:

[(1, 4042220), (2, 2021110), (4, 1010555), (5, 808444), (7, 577460), (10, 404222), (13, 310940), (14, 288730), (20, 202111), (26, 155470), (28, 144365), (35, 115492), (52, 77735), (65, 62188), (70, 57746), (91, 44420), (130, 31094), (140, 28873), (182, 22210), (260, 15547), (364, 11105), (455, 8884), (910, 4442), (1820, 2221)]