27497292100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1997}}^1\times {\mathrm{7247}}^1$

素因数の和:9277

約数の個数: 72

約数和(自身を含む): 62849727360

約数和(自身を除く): 35352435260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 1997, 3994, 7247, 7988, 9985, 14494, 19970, 28988, 36235, 37943, 39940, 49925, 72470, 75886, 99850, 137693, 144940, 151772, 181175, 189715, 199700, 275386, 362350, 379430, 550772, 688465, 724700, 758860, 948575, 1376930, 1897150, 2753860, 3442325, 3794300, 6884650, 13769300, 14472259, 28944518, 57889036, 72361295, 144722590, 274972921, 289445180, 361806475, 549945842, 723612950, 1099891684, 1374864605, 1447225900, 2749729210, 5499458420, 6874323025, 13748646050, 27497292100]

約数ペア:

[(1, 27497292100), (2, 13748646050), (4, 6874323025), (5, 5499458420), (10, 2749729210), (19, 1447225900), (20, 1374864605), (25, 1099891684), (38, 723612950), (50, 549945842), (76, 361806475), (95, 289445180), (100, 274972921), (190, 144722590), (380, 72361295), (475, 57889036), (950, 28944518), (1900, 14472259), (1997, 13769300), (3994, 6884650), (7247, 3794300), (7988, 3442325), (9985, 2753860), (14494, 1897150), (19970, 1376930), (28988, 948575), (36235, 758860), (37943, 724700), (39940, 688465), (49925, 550772), (72470, 379430), (75886, 362350), (99850, 275386), (137693, 199700), (144940, 189715), (151772, 181175)]