53487740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 115248000

約数和(自身を除く): 61760260

約数列:

[1, 2, 4, 5, 10, 20, 79, 97, 158, 194, 316, 349, 388, 395, 485, 698, 790, 970, 1396, 1580, 1745, 1940, 3490, 6980, 7663, 15326, 27571, 30652, 33853, 38315, 55142, 67706, 76630, 110284, 135412, 137855, 153260, 169265, 275710, 338530, 551420, 677060, 2674387, 5348774, 10697548, 13371935, 26743870, 53487740]

約数ペア:

[(1, 53487740), (2, 26743870), (4, 13371935), (5, 10697548), (10, 5348774), (20, 2674387), (79, 677060), (97, 551420), (158, 338530), (194, 275710), (316, 169265), (349, 153260), (388, 137855), (395, 135412), (485, 110284), (698, 76630), (790, 67706), (970, 55142), (1396, 38315), (1580, 33853), (1745, 30652), (1940, 27571), (3490, 15326), (6980, 7663)]