207895040

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^2\times {\mathrm{281}}^1$

素因数の和:338

約数の個数: 120

約数和(自身を含む): 531391212

約数和(自身を除く): 323496172

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 281, 289, 320, 340, 512, 544, 562, 578, 640, 680, 1088, 1124, 1156, 1280, 1360, 1405, 1445, 2176, 2248, 2312, 2560, 2720, 2810, 2890, 4352, 4496, 4624, 4777, 5440, 5620, 5780, 8704, 8992, 9248, 9554, 10880, 11240, 11560, 17984, 18496, 19108, 21760, 22480, 23120, 23885, 35968, 36992, 38216, 43520, 44960, 46240, 47770, 71936, 73984, 76432, 81209, 89920, 92480, 95540, 143872, 147968, 152864, 162418, 179840, 184960, 191080, 305728, 324836, 359680, 369920, 382160, 406045, 611456, 649672, 719360, 739840, 764320, 812090, 1222912, 1299344, 1528640, 1624180, 2445824, 2598688, 3057280, 3248360, 5197376, 6114560, 6496720, 10394752, 12229120, 12993440, 20789504, 25986880, 41579008, 51973760, 103947520, 207895040]

約数ペア:

[(1, 207895040), (2, 103947520), (4, 51973760), (5, 41579008), (8, 25986880), (10, 20789504), (16, 12993440), (17, 12229120), (20, 10394752), (32, 6496720), (34, 6114560), (40, 5197376), (64, 3248360), (68, 3057280), (80, 2598688), (85, 2445824), (128, 1624180), (136, 1528640), (160, 1299344), (170, 1222912), (256, 812090), (272, 764320), (281, 739840), (289, 719360), (320, 649672), (340, 611456), (512, 406045), (544, 382160), (562, 369920), (578, 359680), (640, 324836), (680, 305728), (1088, 191080), (1124, 184960), (1156, 179840), (1280, 162418), (1360, 152864), (1405, 147968), (1445, 143872), (2176, 95540), (2248, 92480), (2312, 89920), (2560, 81209), (2720, 76432), (2810, 73984), (2890, 71936), (4352, 47770), (4496, 46240), (4624, 44960), (4777, 43520), (5440, 38216), (5620, 36992), (5780, 35968), (8704, 23885), (8992, 23120), (9248, 22480), (9554, 21760), (10880, 19108), (11240, 18496), (11560, 17984)]