66990350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:802

約数の個数: 72

約数和(自身を含む): 149064120

約数和(自身を除く): 82073770

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 37, 49, 50, 70, 74, 98, 175, 185, 245, 259, 350, 370, 490, 518, 739, 925, 1225, 1295, 1478, 1813, 1850, 2450, 2590, 3626, 3695, 5173, 6475, 7390, 9065, 10346, 12950, 18130, 18475, 25865, 27343, 36211, 36950, 45325, 51730, 54686, 72422, 90650, 129325, 136715, 181055, 191401, 258650, 273430, 362110, 382802, 683575, 905275, 957005, 1339807, 1367150, 1810550, 1914010, 2679614, 4785025, 6699035, 9570050, 13398070, 33495175, 66990350]

約数ペア:

[(1, 66990350), (2, 33495175), (5, 13398070), (7, 9570050), (10, 6699035), (14, 4785025), (25, 2679614), (35, 1914010), (37, 1810550), (49, 1367150), (50, 1339807), (70, 957005), (74, 905275), (98, 683575), (175, 382802), (185, 362110), (245, 273430), (259, 258650), (350, 191401), (370, 181055), (490, 136715), (518, 129325), (739, 90650), (925, 72422), (1225, 54686), (1295, 51730), (1478, 45325), (1813, 36950), (1850, 36211), (2450, 27343), (2590, 25865), (3626, 18475), (3695, 18130), (5173, 12950), (6475, 10346), (7390, 9065)]