254252020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{14629}}^1$

素因数の和:14728

約数の個数: 48

約数和(自身を含む): 589881600

約数和(自身を除く): 335629580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 14629, 17380, 29258, 58516, 73145, 146290, 160919, 292580, 321838, 643676, 804595, 1155691, 1609190, 2311382, 3218380, 4622764, 5778455, 11556910, 12712601, 23113820, 25425202, 50850404, 63563005, 127126010, 254252020]

約数ペア:

[(1, 254252020), (2, 127126010), (4, 63563005), (5, 50850404), (10, 25425202), (11, 23113820), (20, 12712601), (22, 11556910), (44, 5778455), (55, 4622764), (79, 3218380), (110, 2311382), (158, 1609190), (220, 1155691), (316, 804595), (395, 643676), (790, 321838), (869, 292580), (1580, 160919), (1738, 146290), (3476, 73145), (4345, 58516), (8690, 29258), (14629, 17380)]