208214720

素因数分解:

$2^6\times 5^1\times 7^4\times {\mathrm{271}}^1$

素因数の和:316

約数の個数: 140

約数和(自身を含む): 580546464

約数和(自身を除く): 372331744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 271, 280, 320, 343, 392, 448, 490, 542, 560, 686, 784, 980, 1084, 1120, 1355, 1372, 1568, 1715, 1897, 1960, 2168, 2240, 2401, 2710, 2744, 3136, 3430, 3794, 3920, 4336, 4802, 5420, 5488, 6860, 7588, 7840, 8672, 9485, 9604, 10840, 10976, 12005, 13279, 13720, 15176, 15680, 17344, 18970, 19208, 21680, 21952, 24010, 26558, 27440, 30352, 37940, 38416, 43360, 48020, 53116, 54880, 60704, 66395, 75880, 76832, 86720, 92953, 96040, 106232, 109760, 121408, 132790, 151760, 153664, 185906, 192080, 212464, 265580, 303520, 371812, 384160, 424928, 464765, 531160, 607040, 650671, 743624, 768320, 849856, 929530, 1062320, 1301342, 1487248, 1859060, 2124640, 2602684, 2974496, 3253355, 3718120, 4249280, 5205368, 5948992, 6506710, 7436240, 10410736, 13013420, 14872480, 20821472, 26026840, 29744960, 41642944, 52053680, 104107360, 208214720]

約数ペア:

[(1, 208214720), (2, 104107360), (4, 52053680), (5, 41642944), (7, 29744960), (8, 26026840), (10, 20821472), (14, 14872480), (16, 13013420), (20, 10410736), (28, 7436240), (32, 6506710), (35, 5948992), (40, 5205368), (49, 4249280), (56, 3718120), (64, 3253355), (70, 2974496), (80, 2602684), (98, 2124640), (112, 1859060), (140, 1487248), (160, 1301342), (196, 1062320), (224, 929530), (245, 849856), (271, 768320), (280, 743624), (320, 650671), (343, 607040), (392, 531160), (448, 464765), (490, 424928), (542, 384160), (560, 371812), (686, 303520), (784, 265580), (980, 212464), (1084, 192080), (1120, 185906), (1355, 153664), (1372, 151760), (1568, 132790), (1715, 121408), (1897, 109760), (1960, 106232), (2168, 96040), (2240, 92953), (2401, 86720), (2710, 76832), (2744, 75880), (3136, 66395), (3430, 60704), (3794, 54880), (3920, 53116), (4336, 48020), (4802, 43360), (5420, 38416), (5488, 37940), (6860, 30352), (7588, 27440), (7840, 26558), (8672, 24010), (9485, 21952), (9604, 21680), (10840, 19208), (10976, 18970), (12005, 17344), (13279, 15680), (13720, 15176)]