197879120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:181

約数の個数: 160

約数和(自身を含む): 511467264

約数和(自身を除く): 313588144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 41, 43, 46, 61, 80, 82, 86, 92, 115, 122, 164, 172, 184, 205, 215, 230, 244, 305, 328, 344, 368, 410, 430, 460, 488, 610, 656, 688, 820, 860, 920, 943, 976, 989, 1220, 1403, 1640, 1720, 1763, 1840, 1886, 1978, 2440, 2501, 2623, 2806, 3280, 3440, 3526, 3772, 3956, 4715, 4880, 4945, 5002, 5246, 5612, 7015, 7052, 7544, 7912, 8815, 9430, 9890, 10004, 10492, 11224, 12505, 13115, 14030, 14104, 15088, 15824, 17630, 18860, 19780, 20008, 20984, 22448, 25010, 26230, 28060, 28208, 35260, 37720, 39560, 40016, 40549, 41968, 50020, 52460, 56120, 57523, 60329, 70520, 75440, 79120, 81098, 100040, 104920, 107543, 112240, 115046, 120658, 141040, 162196, 200080, 202745, 209840, 215086, 230092, 241316, 287615, 301645, 324392, 405490, 430172, 460184, 482632, 537715, 575230, 603290, 648784, 810980, 860344, 920368, 965264, 1075430, 1150460, 1206580, 1621960, 1720688, 2150860, 2300920, 2413160, 2473489, 3243920, 4301720, 4601840, 4826320, 4946978, 8603440, 9893956, 12367445, 19787912, 24734890, 39575824, 49469780, 98939560, 197879120]

約数ペア:

[(1, 197879120), (2, 98939560), (4, 49469780), (5, 39575824), (8, 24734890), (10, 19787912), (16, 12367445), (20, 9893956), (23, 8603440), (40, 4946978), (41, 4826320), (43, 4601840), (46, 4301720), (61, 3243920), (80, 2473489), (82, 2413160), (86, 2300920), (92, 2150860), (115, 1720688), (122, 1621960), (164, 1206580), (172, 1150460), (184, 1075430), (205, 965264), (215, 920368), (230, 860344), (244, 810980), (305, 648784), (328, 603290), (344, 575230), (368, 537715), (410, 482632), (430, 460184), (460, 430172), (488, 405490), (610, 324392), (656, 301645), (688, 287615), (820, 241316), (860, 230092), (920, 215086), (943, 209840), (976, 202745), (989, 200080), (1220, 162196), (1403, 141040), (1640, 120658), (1720, 115046), (1763, 112240), (1840, 107543), (1886, 104920), (1978, 100040), (2440, 81098), (2501, 79120), (2623, 75440), (2806, 70520), (3280, 60329), (3440, 57523), (3526, 56120), (3772, 52460), (3956, 50020), (4715, 41968), (4880, 40549), (4945, 40016), (5002, 39560), (5246, 37720), (5612, 35260), (7015, 28208), (7052, 28060), (7544, 26230), (7912, 25010), (8815, 22448), (9430, 20984), (9890, 20008), (10004, 19780), (10492, 18860), (11224, 17630), (12505, 15824), (13115, 15088), (14030, 14104)]