305257480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:607

約数の個数: 128

約数和(自身を含む): 793152000

約数和(自身を除く): 487894520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 47, 55, 58, 88, 94, 110, 116, 145, 188, 220, 232, 235, 290, 319, 376, 440, 470, 509, 517, 580, 638, 940, 1018, 1034, 1160, 1276, 1363, 1595, 1880, 2036, 2068, 2545, 2552, 2585, 2726, 3190, 4072, 4136, 5090, 5170, 5452, 5599, 6380, 6815, 10180, 10340, 10904, 11198, 12760, 13630, 14761, 14993, 20360, 20680, 22396, 23923, 27260, 27995, 29522, 29986, 44792, 47846, 54520, 55990, 59044, 59972, 73805, 74965, 95692, 111980, 118088, 119615, 119944, 147610, 149930, 162371, 191384, 223960, 239230, 263153, 295220, 299860, 324742, 478460, 526306, 590440, 599720, 649484, 693767, 811855, 956920, 1052612, 1298968, 1315765, 1387534, 1623710, 2105224, 2631530, 2775068, 3247420, 3468835, 5263060, 5550136, 6494840, 6937670, 7631437, 10526120, 13875340, 15262874, 27750680, 30525748, 38157185, 61051496, 76314370, 152628740, 305257480]

約数ペア:

[(1, 305257480), (2, 152628740), (4, 76314370), (5, 61051496), (8, 38157185), (10, 30525748), (11, 27750680), (20, 15262874), (22, 13875340), (29, 10526120), (40, 7631437), (44, 6937670), (47, 6494840), (55, 5550136), (58, 5263060), (88, 3468835), (94, 3247420), (110, 2775068), (116, 2631530), (145, 2105224), (188, 1623710), (220, 1387534), (232, 1315765), (235, 1298968), (290, 1052612), (319, 956920), (376, 811855), (440, 693767), (470, 649484), (509, 599720), (517, 590440), (580, 526306), (638, 478460), (940, 324742), (1018, 299860), (1034, 295220), (1160, 263153), (1276, 239230), (1363, 223960), (1595, 191384), (1880, 162371), (2036, 149930), (2068, 147610), (2545, 119944), (2552, 119615), (2585, 118088), (2726, 111980), (3190, 95692), (4072, 74965), (4136, 73805), (5090, 59972), (5170, 59044), (5452, 55990), (5599, 54520), (6380, 47846), (6815, 44792), (10180, 29986), (10340, 29522), (10904, 27995), (11198, 27260), (12760, 23923), (13630, 22396), (14761, 20680), (14993, 20360)]