490719745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 633139200

約数和(自身を除く): 142419455

約数列:

[1, 5, 19, 89, 95, 127, 445, 457, 635, 1691, 2285, 2413, 8455, 8683, 11303, 12065, 40673, 43415, 56515, 58039, 203365, 214757, 290195, 772787, 1073785, 1102741, 3863935, 5165471, 5513705, 25827355, 98143949, 490719745]

約数ペア:

[(1, 490719745), (5, 98143949), (19, 25827355), (89, 5513705), (95, 5165471), (127, 3863935), (445, 1102741), (457, 1073785), (635, 772787), (1691, 290195), (2285, 214757), (2413, 203365), (8455, 58039), (8683, 56515), (11303, 43415), (12065, 40673)]