180965540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{17707}}^1$

素因数の和:17796

約数の個数: 48

約数和(自身を含む): 440291712

約数和(自身を除く): 259326172

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, 17707, 35414, 70828, 88535, 123949, 177070, 247898, 354140, 495796, 619745, 1239490, 1292611, 2478980, 2585222, 5170444, 6463055, 9048277, 12926110, 18096554, 25852220, 36193108, 45241385, 90482770, 180965540]

約数ペア:

[(1, 180965540), (2, 90482770), (4, 45241385), (5, 36193108), (7, 25852220), (10, 18096554), (14, 12926110), (20, 9048277), (28, 6463055), (35, 5170444), (70, 2585222), (73, 2478980), (140, 1292611), (146, 1239490), (292, 619745), (365, 495796), (511, 354140), (730, 247898), (1022, 177070), (1460, 123949), (2044, 88535), (2555, 70828), (5110, 35414), (10220, 17707)]