280753732

素因数分解:

$2^2\times 7^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 632443392

約数和(自身を除く): 351689660

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 41, 46, 49, 62, 82, 92, 98, 124, 161, 164, 196, 217, 287, 322, 343, 434, 574, 644, 686, 713, 868, 943, 1127, 1148, 1271, 1372, 1426, 1519, 1886, 2009, 2254, 2401, 2542, 2852, 3038, 3772, 4018, 4508, 4802, 4991, 5084, 6076, 6601, 7889, 8036, 8897, 9604, 9982, 10633, 13202, 14063, 15778, 17794, 19964, 21266, 26404, 28126, 29233, 31556, 34937, 35588, 42532, 46207, 55223, 56252, 58466, 62279, 69874, 74431, 92414, 98441, 110446, 116932, 124558, 139748, 148862, 184828, 196882, 204631, 220892, 244559, 249116, 297724, 323449, 393764, 409262, 435953, 489118, 646898, 818524, 871906, 978236, 1293796, 1432417, 1711913, 1743812, 2264143, 2864834, 3051671, 3423826, 4528286, 5729668, 6103342, 6847652, 9056572, 10026919, 12206684, 20053838, 40107676, 70188433, 140376866, 280753732]

約数ペア:

[(1, 280753732), (2, 140376866), (4, 70188433), (7, 40107676), (14, 20053838), (23, 12206684), (28, 10026919), (31, 9056572), (41, 6847652), (46, 6103342), (49, 5729668), (62, 4528286), (82, 3423826), (92, 3051671), (98, 2864834), (124, 2264143), (161, 1743812), (164, 1711913), (196, 1432417), (217, 1293796), (287, 978236), (322, 871906), (343, 818524), (434, 646898), (574, 489118), (644, 435953), (686, 409262), (713, 393764), (868, 323449), (943, 297724), (1127, 249116), (1148, 244559), (1271, 220892), (1372, 204631), (1426, 196882), (1519, 184828), (1886, 148862), (2009, 139748), (2254, 124558), (2401, 116932), (2542, 110446), (2852, 98441), (3038, 92414), (3772, 74431), (4018, 69874), (4508, 62279), (4802, 58466), (4991, 56252), (5084, 55223), (6076, 46207), (6601, 42532), (7889, 35588), (8036, 34937), (8897, 31556), (9604, 29233), (9982, 28126), (10633, 26404), (13202, 21266), (14063, 19964), (15778, 17794)]