17705840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 44675712

約数和(自身を除く): 26969872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 277, 340, 376, 470, 554, 680, 752, 799, 940, 1108, 1360, 1385, 1598, 1880, 2216, 2770, 3196, 3760, 3995, 4432, 4709, 5540, 6392, 7990, 9418, 11080, 12784, 13019, 15980, 18836, 22160, 23545, 26038, 31960, 37672, 47090, 52076, 63920, 65095, 75344, 94180, 104152, 130190, 188360, 208304, 221323, 260380, 376720, 442646, 520760, 885292, 1041520, 1106615, 1770584, 2213230, 3541168, 4426460, 8852920, 17705840]

約数ペア:

[(1, 17705840), (2, 8852920), (4, 4426460), (5, 3541168), (8, 2213230), (10, 1770584), (16, 1106615), (17, 1041520), (20, 885292), (34, 520760), (40, 442646), (47, 376720), (68, 260380), (80, 221323), (85, 208304), (94, 188360), (136, 130190), (170, 104152), (188, 94180), (235, 75344), (272, 65095), (277, 63920), (340, 52076), (376, 47090), (470, 37672), (554, 31960), (680, 26038), (752, 23545), (799, 22160), (940, 18836), (1108, 15980), (1360, 13019), (1385, 12784), (1598, 11080), (1880, 9418), (2216, 7990), (2770, 6392), (3196, 5540), (3760, 4709), (3995, 4432)]