328674760

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{2213}}^1$

素因数の和:2350

約数の個数: 64

約数和(自身を含む): 765158400

約数和(自身を除く): 436483640

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, 1880, 2213, 3160, 3713, 4426, 7426, 8852, 11065, 14852, 17704, 18565, 22130, 29704, 37130, 44260, 74260, 88520, 104011, 148520, 174827, 208022, 349654, 416044, 520055, 699308, 832088, 874135, 1040110, 1398616, 1748270, 2080220, 3496540, 4160440, 6993080, 8216869, 16433738, 32867476, 41084345, 65734952, 82168690, 164337380, 328674760]

約数ペア:

[(1, 328674760), (2, 164337380), (4, 82168690), (5, 65734952), (8, 41084345), (10, 32867476), (20, 16433738), (40, 8216869), (47, 6993080), (79, 4160440), (94, 3496540), (158, 2080220), (188, 1748270), (235, 1398616), (316, 1040110), (376, 874135), (395, 832088), (470, 699308), (632, 520055), (790, 416044), (940, 349654), (1580, 208022), (1880, 174827), (2213, 148520), (3160, 104011), (3713, 88520), (4426, 74260), (7426, 44260), (8852, 37130), (11065, 29704), (14852, 22130), (17704, 18565)]