274781780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{150979}}^1$

素因数の和:151008

約数の個数: 48

約数和(自身を含む): 710209920

約数和(自身を除く): 435428140

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, 150979, 301958, 603916, 754895, 1056853, 1509790, 1962727, 2113706, 3019580, 3925454, 4227412, 5284265, 7850908, 9813635, 10568530, 13739089, 19627270, 21137060, 27478178, 39254540, 54956356, 68695445, 137390890, 274781780]

約数ペア:

[(1, 274781780), (2, 137390890), (4, 68695445), (5, 54956356), (7, 39254540), (10, 27478178), (13, 21137060), (14, 19627270), (20, 13739089), (26, 10568530), (28, 9813635), (35, 7850908), (52, 5284265), (65, 4227412), (70, 3925454), (91, 3019580), (130, 2113706), (140, 1962727), (182, 1509790), (260, 1056853), (364, 754895), (455, 603916), (910, 301958), (1820, 150979)]