121360820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21143}}^1$

素因数の和:21200

約数の個数: 48

約数和(自身を含む): 298384128

約数和(自身を除く): 177023308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 21143, 42286, 84572, 105715, 148001, 211430, 296002, 422860, 592004, 740005, 866863, 1480010, 1733726, 2960020, 3467452, 4334315, 6068041, 8668630, 12136082, 17337260, 24272164, 30340205, 60680410, 121360820]

約数ペア:

[(1, 121360820), (2, 60680410), (4, 30340205), (5, 24272164), (7, 17337260), (10, 12136082), (14, 8668630), (20, 6068041), (28, 4334315), (35, 3467452), (41, 2960020), (70, 1733726), (82, 1480010), (140, 866863), (164, 740005), (205, 592004), (287, 422860), (410, 296002), (574, 211430), (820, 148001), (1148, 105715), (1435, 84572), (2870, 42286), (5740, 21143)]