253820680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1709}}^1$

素因数の和:1846

約数の個数: 64

約数和(自身を含む): 590976000

約数和(自身を除く): 337155320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 188, 235, 316, 376, 395, 470, 632, 790, 940, 1580, 1709, 1880, 3160, 3418, 3713, 6836, 7426, 8545, 13672, 14852, 17090, 18565, 29704, 34180, 37130, 68360, 74260, 80323, 135011, 148520, 160646, 270022, 321292, 401615, 540044, 642584, 675055, 803230, 1080088, 1350110, 1606460, 2700220, 3212920, 5400440, 6345517, 12691034, 25382068, 31727585, 50764136, 63455170, 126910340, 253820680]

約数ペア:

[(1, 253820680), (2, 126910340), (4, 63455170), (5, 50764136), (8, 31727585), (10, 25382068), (20, 12691034), (40, 6345517), (47, 5400440), (79, 3212920), (94, 2700220), (158, 1606460), (188, 1350110), (235, 1080088), (316, 803230), (376, 675055), (395, 642584), (470, 540044), (632, 401615), (790, 321292), (940, 270022), (1580, 160646), (1709, 148520), (1880, 135011), (3160, 80323), (3418, 74260), (3713, 68360), (6836, 37130), (7426, 34180), (8545, 29704), (13672, 18565), (14852, 17090)]