291236270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1153}}^1$

素因数の和:1269

約数の個数: 64

約数和(自身を含む): 593248320

約数和(自身を除く): 302012050

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 67, 130, 134, 145, 290, 335, 377, 670, 754, 871, 1153, 1742, 1885, 1943, 2306, 3770, 3886, 4355, 5765, 8710, 9715, 11530, 14989, 19430, 25259, 29978, 33437, 50518, 66874, 74945, 77251, 126295, 149890, 154502, 167185, 252590, 334370, 386255, 434681, 772510, 869362, 1004263, 2008526, 2173405, 2240279, 4346810, 4480558, 5021315, 10042630, 11201395, 22402790, 29123627, 58247254, 145618135, 291236270]

約数ペア:

[(1, 291236270), (2, 145618135), (5, 58247254), (10, 29123627), (13, 22402790), (26, 11201395), (29, 10042630), (58, 5021315), (65, 4480558), (67, 4346810), (130, 2240279), (134, 2173405), (145, 2008526), (290, 1004263), (335, 869362), (377, 772510), (670, 434681), (754, 386255), (871, 334370), (1153, 252590), (1742, 167185), (1885, 154502), (1943, 149890), (2306, 126295), (3770, 77251), (3886, 74945), (4355, 66874), (5765, 50518), (8710, 33437), (9715, 29978), (11530, 25259), (14989, 19430)]