38997025

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 36

約数和(自身を含む): 53149500

約数和(自身を除く): 14152475

約数列:

[1, 5, 19, 25, 29, 95, 145, 149, 361, 475, 551, 725, 745, 1805, 2755, 2831, 3725, 4321, 9025, 10469, 13775, 14155, 21605, 52345, 53789, 70775, 82099, 108025, 261725, 268945, 410495, 1344725, 1559881, 2052475, 7799405, 38997025]

約数ペア:

[(1, 38997025), (5, 7799405), (19, 2052475), (25, 1559881), (29, 1344725), (95, 410495), (145, 268945), (149, 261725), (361, 108025), (475, 82099), (551, 70775), (725, 53789), (745, 52345), (1805, 21605), (2755, 14155), (2831, 13775), (3725, 10469), (4321, 9025)]