280804986

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:417

約数の個数: 144

約数和(自身を含む): 782353728

約数和(自身を除く): 501548742

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 103, 126, 147, 154, 198, 206, 231, 281, 294, 309, 441, 462, 539, 562, 618, 693, 721, 843, 882, 927, 1078, 1133, 1386, 1442, 1617, 1686, 1854, 1967, 2163, 2266, 2529, 3091, 3234, 3399, 3934, 4326, 4851, 5047, 5058, 5901, 6182, 6489, 6798, 7931, 9273, 9702, 10094, 10197, 11802, 12978, 13769, 15141, 15862, 17703, 18546, 20394, 21637, 23793, 27538, 27819, 28943, 30282, 35406, 41307, 43274, 45423, 47586, 55517, 55638, 57886, 64911, 71379, 82614, 86829, 90846, 111034, 123921, 129822, 142758, 151459, 166551, 173658, 194733, 202601, 247842, 260487, 302918, 318373, 333102, 389466, 405202, 454377, 499653, 520974, 607803, 636746, 908754, 955119, 999306, 1215606, 1363131, 1418207, 1823409, 1910238, 2228611, 2726262, 2836414, 2865357, 3646818, 4254621, 4457222, 5730714, 6685833, 8509242, 12763863, 13371666, 15600277, 20057499, 25527726, 31200554, 40114998, 46800831, 93601662, 140402493, 280804986]

約数ペア:

[(1, 280804986), (2, 140402493), (3, 93601662), (6, 46800831), (7, 40114998), (9, 31200554), (11, 25527726), (14, 20057499), (18, 15600277), (21, 13371666), (22, 12763863), (33, 8509242), (42, 6685833), (49, 5730714), (63, 4457222), (66, 4254621), (77, 3646818), (98, 2865357), (99, 2836414), (103, 2726262), (126, 2228611), (147, 1910238), (154, 1823409), (198, 1418207), (206, 1363131), (231, 1215606), (281, 999306), (294, 955119), (309, 908754), (441, 636746), (462, 607803), (539, 520974), (562, 499653), (618, 454377), (693, 405202), (721, 389466), (843, 333102), (882, 318373), (927, 302918), (1078, 260487), (1133, 247842), (1386, 202601), (1442, 194733), (1617, 173658), (1686, 166551), (1854, 151459), (1967, 142758), (2163, 129822), (2266, 123921), (2529, 111034), (3091, 90846), (3234, 86829), (3399, 82614), (3934, 71379), (4326, 64911), (4851, 57886), (5047, 55638), (5058, 55517), (5901, 47586), (6182, 45423), (6489, 43274), (6798, 41307), (7931, 35406), (9273, 30282), (9702, 28943), (10094, 27819), (10197, 27538), (11802, 23793), (12978, 21637), (13769, 20394), (15141, 18546), (15862, 17703)]