208579840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23279}}^1$

素因数の和:23307

約数の個数: 72

約数和(自身を含む): 571011840

約数和(自身を除く): 362432000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 23279, 46558, 93116, 116395, 162953, 186232, 232790, 325906, 372464, 465580, 651812, 744928, 814765, 931160, 1303624, 1489856, 1629530, 1862320, 2607248, 2979712, 3259060, 3724640, 5214496, 5959424, 6518120, 7449280, 10428992, 13036240, 14898560, 20857984, 26072480, 29797120, 41715968, 52144960, 104289920, 208579840]

約数ペア:

[(1, 208579840), (2, 104289920), (4, 52144960), (5, 41715968), (7, 29797120), (8, 26072480), (10, 20857984), (14, 14898560), (16, 13036240), (20, 10428992), (28, 7449280), (32, 6518120), (35, 5959424), (40, 5214496), (56, 3724640), (64, 3259060), (70, 2979712), (80, 2607248), (112, 1862320), (128, 1629530), (140, 1489856), (160, 1303624), (224, 931160), (256, 814765), (280, 744928), (320, 651812), (448, 465580), (560, 372464), (640, 325906), (896, 232790), (1120, 186232), (1280, 162953), (1792, 116395), (2240, 93116), (4480, 46558), (8960, 23279)]