164021770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 331776000

約数和(自身を除く): 167754230

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 127, 199, 254, 295, 398, 590, 635, 649, 995, 1270, 1298, 1397, 1990, 2189, 2794, 3245, 4378, 6490, 6985, 7493, 10945, 11741, 13970, 14986, 21890, 23482, 25273, 37465, 50546, 58705, 74930, 82423, 117410, 126365, 129151, 164846, 252730, 258302, 278003, 412115, 556006, 645755, 824230, 1291510, 1390015, 1491107, 2780030, 2982214, 7455535, 14911070, 16402177, 32804354, 82010885, 164021770]

約数ペア:

[(1, 164021770), (2, 82010885), (5, 32804354), (10, 16402177), (11, 14911070), (22, 7455535), (55, 2982214), (59, 2780030), (110, 1491107), (118, 1390015), (127, 1291510), (199, 824230), (254, 645755), (295, 556006), (398, 412115), (590, 278003), (635, 258302), (649, 252730), (995, 164846), (1270, 129151), (1298, 126365), (1397, 117410), (1990, 82423), (2189, 74930), (2794, 58705), (3245, 50546), (4378, 37465), (6490, 25273), (6985, 23482), (7493, 21890), (10945, 14986), (11741, 13970)]