285946120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 727833600

約数和(自身を除く): 441887480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 47, 68, 85, 92, 94, 115, 136, 170, 184, 188, 230, 235, 340, 376, 389, 391, 460, 470, 680, 778, 782, 799, 920, 940, 1081, 1556, 1564, 1598, 1880, 1945, 1955, 2162, 3112, 3128, 3196, 3890, 3910, 3995, 4324, 5405, 6392, 6613, 7780, 7820, 7990, 8648, 8947, 10810, 13226, 15560, 15640, 15980, 17894, 18283, 18377, 21620, 26452, 31960, 33065, 35788, 36566, 36754, 43240, 44735, 52904, 66130, 71576, 73132, 73508, 89470, 91415, 91885, 132260, 146264, 147016, 152099, 178940, 182830, 183770, 264520, 304198, 310811, 357880, 365660, 367540, 420509, 608396, 621622, 731320, 735080, 760495, 841018, 1216792, 1243244, 1520990, 1554055, 1682036, 2102545, 2486488, 3041980, 3108110, 3364072, 4205090, 6083960, 6216220, 7148653, 8410180, 12432440, 14297306, 16820360, 28594612, 35743265, 57189224, 71486530, 142973060, 285946120]

約数ペア:

[(1, 285946120), (2, 142973060), (4, 71486530), (5, 57189224), (8, 35743265), (10, 28594612), (17, 16820360), (20, 14297306), (23, 12432440), (34, 8410180), (40, 7148653), (46, 6216220), (47, 6083960), (68, 4205090), (85, 3364072), (92, 3108110), (94, 3041980), (115, 2486488), (136, 2102545), (170, 1682036), (184, 1554055), (188, 1520990), (230, 1243244), (235, 1216792), (340, 841018), (376, 760495), (389, 735080), (391, 731320), (460, 621622), (470, 608396), (680, 420509), (778, 367540), (782, 365660), (799, 357880), (920, 310811), (940, 304198), (1081, 264520), (1556, 183770), (1564, 182830), (1598, 178940), (1880, 152099), (1945, 147016), (1955, 146264), (2162, 132260), (3112, 91885), (3128, 91415), (3196, 89470), (3890, 73508), (3910, 73132), (3995, 71576), (4324, 66130), (5405, 52904), (6392, 44735), (6613, 43240), (7780, 36754), (7820, 36566), (7990, 35788), (8648, 33065), (8947, 31960), (10810, 26452), (13226, 21620), (15560, 18377), (15640, 18283), (15980, 17894)]