680273804

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 1418373600

約数和(自身を除く): 738099796

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 97, 149, 164, 194, 287, 298, 388, 574, 596, 679, 1043, 1148, 1358, 1681, 2086, 2716, 3362, 3977, 4172, 6109, 6724, 7954, 11767, 12218, 14453, 15908, 23534, 24436, 27839, 28906, 42763, 47068, 55678, 57812, 85526, 101171, 111356, 163057, 171052, 202342, 250469, 326114, 404684, 500938, 592573, 652228, 1001876, 1141399, 1185146, 1753283, 2282798, 2370292, 3506566, 4148011, 4565596, 7013132, 8296022, 16592044, 24295493, 48590986, 97181972, 170068451, 340136902, 680273804]

約数ペア:

[(1, 680273804), (2, 340136902), (4, 170068451), (7, 97181972), (14, 48590986), (28, 24295493), (41, 16592044), (82, 8296022), (97, 7013132), (149, 4565596), (164, 4148011), (194, 3506566), (287, 2370292), (298, 2282798), (388, 1753283), (574, 1185146), (596, 1141399), (679, 1001876), (1043, 652228), (1148, 592573), (1358, 500938), (1681, 404684), (2086, 326114), (2716, 250469), (3362, 202342), (3977, 171052), (4172, 163057), (6109, 111356), (6724, 101171), (7954, 85526), (11767, 57812), (12218, 55678), (14453, 47068), (15908, 42763), (23534, 28906), (24436, 27839)]