308231388

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1987}}^1$

素因数の和:2167

約数の個数: 72

約数和(自身を含む): 810467840

約数和(自身を除く): 502236452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 139, 186, 278, 279, 372, 417, 556, 558, 834, 1116, 1251, 1668, 1987, 2502, 3974, 4309, 5004, 5961, 7948, 8618, 11922, 12927, 17236, 17883, 23844, 25854, 35766, 38781, 51708, 61597, 71532, 77562, 123194, 155124, 184791, 246388, 276193, 369582, 552386, 554373, 739164, 828579, 1104772, 1108746, 1657158, 2217492, 2485737, 3314316, 4971474, 8561983, 9942948, 17123966, 25685949, 34247932, 51371898, 77057847, 102743796, 154115694, 308231388]

約数ペア:

[(1, 308231388), (2, 154115694), (3, 102743796), (4, 77057847), (6, 51371898), (9, 34247932), (12, 25685949), (18, 17123966), (31, 9942948), (36, 8561983), (62, 4971474), (93, 3314316), (124, 2485737), (139, 2217492), (186, 1657158), (278, 1108746), (279, 1104772), (372, 828579), (417, 739164), (556, 554373), (558, 552386), (834, 369582), (1116, 276193), (1251, 246388), (1668, 184791), (1987, 155124), (2502, 123194), (3974, 77562), (4309, 71532), (5004, 61597), (5961, 51708), (7948, 38781), (8618, 35766), (11922, 25854), (12927, 23844), (17236, 17883)]