309945025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 428972544

約数和(自身を除く): 119027519

約数列:

[1, 5, 13, 25, 47, 65, 103, 197, 235, 325, 515, 611, 985, 1175, 1339, 2561, 2575, 3055, 4841, 4925, 6695, 9259, 12805, 15275, 20291, 24205, 33475, 46295, 62933, 64025, 101455, 120367, 121025, 231475, 263783, 314665, 507275, 601835, 953677, 1318915, 1573325, 3009175, 4768385, 6594575, 12397801, 23841925, 61989005, 309945025]

約数ペア:

[(1, 309945025), (5, 61989005), (13, 23841925), (25, 12397801), (47, 6594575), (65, 4768385), (103, 3009175), (197, 1573325), (235, 1318915), (325, 953677), (515, 601835), (611, 507275), (985, 314665), (1175, 263783), (1339, 231475), (2561, 121025), (2575, 120367), (3055, 101455), (4841, 64025), (4925, 62933), (6695, 46295), (9259, 33475), (12805, 24205), (15275, 20291)]