80678990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{719}}^1$

素因数の和:969

約数の個数: 48

約数和(自身を含む): 169905600

約数和(自身を除く): 89226610

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 229, 245, 458, 490, 719, 1145, 1438, 1603, 2290, 3206, 3595, 5033, 7190, 8015, 10066, 11221, 16030, 22442, 25165, 35231, 50330, 56105, 70462, 112210, 164651, 176155, 329302, 352310, 823255, 1152557, 1646510, 2305114, 5762785, 8067899, 11525570, 16135798, 40339495, 80678990]

約数ペア:

[(1, 80678990), (2, 40339495), (5, 16135798), (7, 11525570), (10, 8067899), (14, 5762785), (35, 2305114), (49, 1646510), (70, 1152557), (98, 823255), (229, 352310), (245, 329302), (458, 176155), (490, 164651), (719, 112210), (1145, 70462), (1438, 56105), (1603, 50330), (2290, 35231), (3206, 25165), (3595, 22442), (5033, 16030), (7190, 11221), (8015, 10066)]