118727980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{121151}}^1$

素因数の和:121174

約数の個数: 36

約数和(自身を含む): 290037888

約数和(自身を除く): 171309908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 121151, 242302, 484604, 605755, 848057, 1211510, 1696114, 2423020, 3392228, 4240285, 5936399, 8480570, 11872798, 16961140, 23745596, 29681995, 59363990, 118727980]

約数ペア:

[(1, 118727980), (2, 59363990), (4, 29681995), (5, 23745596), (7, 16961140), (10, 11872798), (14, 8480570), (20, 5936399), (28, 4240285), (35, 3392228), (49, 2423020), (70, 1696114), (98, 1211510), (140, 848057), (196, 605755), (245, 484604), (490, 242302), (980, 121151)]