1242445540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{49031}}^1$

素因数の和:49228

約数の個数: 48

約数和(自身を含む): 2998404864

約数和(自身を除く): 1755959324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3620, 5068, 6335, 12670, 25340, 49031, 98062, 196124, 245155, 343217, 490310, 686434, 980620, 1372868, 1716085, 3432170, 6864340, 8874611, 17749222, 35498444, 44373055, 62122277, 88746110, 124244554, 177492220, 248489108, 310611385, 621222770, 1242445540]

約数ペア:

[(1, 1242445540), (2, 621222770), (4, 310611385), (5, 248489108), (7, 177492220), (10, 124244554), (14, 88746110), (20, 62122277), (28, 44373055), (35, 35498444), (70, 17749222), (140, 8874611), (181, 6864340), (362, 3432170), (724, 1716085), (905, 1372868), (1267, 980620), (1810, 686434), (2534, 490310), (3620, 343217), (5068, 245155), (6335, 196124), (12670, 98062), (25340, 49031)]