131112380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12829}}^1$

素因数の和:12918

約数の個数: 48

約数和(自身を含む): 319005120

約数和(自身を除く): 187892740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 12829, 25658, 51316, 64145, 89803, 128290, 179606, 256580, 359212, 449015, 898030, 936517, 1796060, 1873034, 3746068, 4682585, 6555619, 9365170, 13111238, 18730340, 26222476, 32778095, 65556190, 131112380]

約数ペア:

[(1, 131112380), (2, 65556190), (4, 32778095), (5, 26222476), (7, 18730340), (10, 13111238), (14, 9365170), (20, 6555619), (28, 4682585), (35, 3746068), (70, 1873034), (73, 1796060), (140, 936517), (146, 898030), (292, 449015), (365, 359212), (511, 256580), (730, 179606), (1022, 128290), (1460, 89803), (2044, 64145), (2555, 51316), (5110, 25658), (10220, 12829)]