291298420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{20201}}^1$

素因数の和:20320

約数の個数: 48

約数和(自身を含む): 705938688

約数和(自身を除く): 414640268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 20201, 40402, 80804, 101005, 141407, 202010, 282814, 404020, 565628, 707035, 1414070, 2080703, 2828140, 4161406, 8322812, 10403515, 14564921, 20807030, 29129842, 41614060, 58259684, 72824605, 145649210, 291298420]

約数ペア:

[(1, 291298420), (2, 145649210), (4, 72824605), (5, 58259684), (7, 41614060), (10, 29129842), (14, 20807030), (20, 14564921), (28, 10403515), (35, 8322812), (70, 4161406), (103, 2828140), (140, 2080703), (206, 1414070), (412, 707035), (515, 565628), (721, 404020), (1030, 282814), (1442, 202010), (2060, 141407), (2884, 101005), (3605, 80804), (7210, 40402), (14420, 20201)]