408086275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 570900960

約数和(自身を除く): 162814685

約数列:

[1, 5, 17, 19, 25, 85, 95, 97, 323, 425, 475, 485, 521, 1615, 1649, 1843, 2425, 2605, 8075, 8245, 8857, 9215, 9899, 13025, 31331, 41225, 44285, 46075, 49495, 50537, 156655, 168283, 221425, 247475, 252685, 783275, 841415, 859129, 960203, 1263425, 4207075, 4295645, 4801015, 16323451, 21478225, 24005075, 81617255, 408086275]

約数ペア:

[(1, 408086275), (5, 81617255), (17, 24005075), (19, 21478225), (25, 16323451), (85, 4801015), (95, 4295645), (97, 4207075), (323, 1263425), (425, 960203), (475, 859129), (485, 841415), (521, 783275), (1615, 252685), (1649, 247475), (1843, 221425), (2425, 168283), (2605, 156655), (8075, 50537), (8245, 49495), (8857, 46075), (9215, 44285), (9899, 41225), (13025, 31331)]