641060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 1626240

約数和(自身を除く): 985180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 241, 266, 380, 482, 532, 665, 964, 1205, 1330, 1687, 2410, 2660, 3374, 4579, 4820, 6748, 8435, 9158, 16870, 18316, 22895, 32053, 33740, 45790, 64106, 91580, 128212, 160265, 320530, 641060]

約数ペア:

[(1, 641060), (2, 320530), (4, 160265), (5, 128212), (7, 91580), (10, 64106), (14, 45790), (19, 33740), (20, 32053), (28, 22895), (35, 18316), (38, 16870), (70, 9158), (76, 8435), (95, 6748), (133, 4820), (140, 4579), (190, 3374), (241, 2660), (266, 2410), (380, 1687), (482, 1330), (532, 1205), (665, 964)]