127224580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 313479936

約数和(自身を除く): 186255356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 131, 140, 196, 245, 262, 490, 524, 655, 917, 980, 991, 1310, 1834, 1982, 2620, 3668, 3964, 4585, 4955, 6419, 6937, 9170, 9910, 12838, 13874, 18340, 19820, 25676, 27748, 32095, 34685, 48559, 64190, 69370, 97118, 128380, 129821, 138740, 194236, 242795, 259642, 485590, 519284, 649105, 908747, 971180, 1298210, 1817494, 2596420, 3634988, 4543735, 6361229, 9087470, 12722458, 18174940, 25444916, 31806145, 63612290, 127224580]

約数ペア:

[(1, 127224580), (2, 63612290), (4, 31806145), (5, 25444916), (7, 18174940), (10, 12722458), (14, 9087470), (20, 6361229), (28, 4543735), (35, 3634988), (49, 2596420), (70, 1817494), (98, 1298210), (131, 971180), (140, 908747), (196, 649105), (245, 519284), (262, 485590), (490, 259642), (524, 242795), (655, 194236), (917, 138740), (980, 129821), (991, 128380), (1310, 97118), (1834, 69370), (1982, 64190), (2620, 48559), (3668, 34685), (3964, 32095), (4585, 27748), (4955, 25676), (6419, 19820), (6937, 18340), (9170, 13874), (9910, 12838)]