212438275

素因数分解:

$5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 324986640

約数和(自身を除く): 112548365

約数列:

[1, 5, 7, 25, 35, 37, 43, 49, 109, 175, 185, 215, 245, 259, 301, 545, 763, 925, 1075, 1225, 1295, 1505, 1591, 1813, 2107, 2725, 3815, 4033, 4687, 5341, 6475, 7525, 7955, 9065, 10535, 11137, 19075, 20165, 23435, 26705, 28231, 32809, 39775, 45325, 52675, 55685, 77959, 100825, 117175, 133525, 141155, 164045, 173419, 197617, 229663, 278425, 389795, 705775, 820225, 867095, 988085, 1148315, 1213933, 1948975, 4335475, 4940425, 5741575, 6069665, 8497531, 30348325, 42487655, 212438275]

約数ペア:

[(1, 212438275), (5, 42487655), (7, 30348325), (25, 8497531), (35, 6069665), (37, 5741575), (43, 4940425), (49, 4335475), (109, 1948975), (175, 1213933), (185, 1148315), (215, 988085), (245, 867095), (259, 820225), (301, 705775), (545, 389795), (763, 278425), (925, 229663), (1075, 197617), (1225, 173419), (1295, 164045), (1505, 141155), (1591, 133525), (1813, 117175), (2107, 100825), (2725, 77959), (3815, 55685), (4033, 52675), (4687, 45325), (5341, 39775), (6475, 32809), (7525, 28231), (7955, 26705), (9065, 23435), (10535, 20165), (11137, 19075)]