147980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{151}}^1$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 363888

約数和(自身を除く): 215908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 151, 196, 245, 302, 490, 604, 755, 980, 1057, 1510, 2114, 3020, 4228, 5285, 7399, 10570, 14798, 21140, 29596, 36995, 73990, 147980]

約数ペア:

[(1, 147980), (2, 73990), (4, 36995), (5, 29596), (7, 21140), (10, 14798), (14, 10570), (20, 7399), (28, 5285), (35, 4228), (49, 3020), (70, 2114), (98, 1510), (140, 1057), (151, 980), (196, 755), (245, 604), (302, 490)]