1301200040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{16421}}^1$

素因数の和:16722

約数の個数: 64

約数和(自身を含む): 3357970560

約数和(自身を除く): 2056770520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283, 566, 1132, 1415, 1981, 2264, 2830, 3962, 5660, 7924, 9905, 11320, 15848, 16421, 19810, 32842, 39620, 65684, 79240, 82105, 114947, 131368, 164210, 229894, 328420, 459788, 574735, 656840, 919576, 1149470, 2298940, 4597880, 4647143, 9294286, 18588572, 23235715, 32530001, 37177144, 46471430, 65060002, 92942860, 130120004, 162650005, 185885720, 260240008, 325300010, 650600020, 1301200040]

約数ペア:

[(1, 1301200040), (2, 650600020), (4, 325300010), (5, 260240008), (7, 185885720), (8, 162650005), (10, 130120004), (14, 92942860), (20, 65060002), (28, 46471430), (35, 37177144), (40, 32530001), (56, 23235715), (70, 18588572), (140, 9294286), (280, 4647143), (283, 4597880), (566, 2298940), (1132, 1149470), (1415, 919576), (1981, 656840), (2264, 574735), (2830, 459788), (3962, 328420), (5660, 229894), (7924, 164210), (9905, 131368), (11320, 114947), (15848, 82105), (16421, 79240), (19810, 65684), (32842, 39620)]