210955975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 289267200

約数和(自身を除く): 78311225

約数列:

[1, 5, 17, 25, 47, 59, 85, 179, 235, 295, 425, 799, 895, 1003, 1175, 1475, 2773, 3043, 3995, 4475, 5015, 8413, 10561, 13865, 15215, 19975, 25075, 42065, 47141, 52805, 69325, 76075, 143021, 179537, 210325, 235705, 264025, 496367, 715105, 897685, 1178525, 2481835, 3575525, 4488425, 8438239, 12409175, 42191195, 210955975]

約数ペア:

[(1, 210955975), (5, 42191195), (17, 12409175), (25, 8438239), (47, 4488425), (59, 3575525), (85, 2481835), (179, 1178525), (235, 897685), (295, 715105), (425, 496367), (799, 264025), (895, 235705), (1003, 210325), (1175, 179537), (1475, 143021), (2773, 76075), (3043, 69325), (3995, 52805), (4475, 47141), (5015, 42065), (8413, 25075), (10561, 19975), (13865, 15215)]