83238140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 178899840

約数和(自身を除く): 95661700

約数列:

[1, 2, 4, 5, 10, 20, 89, 101, 178, 202, 356, 404, 445, 463, 505, 890, 926, 1010, 1780, 1852, 2020, 2315, 4630, 8989, 9260, 17978, 35956, 41207, 44945, 46763, 82414, 89890, 93526, 164828, 179780, 187052, 206035, 233815, 412070, 467630, 824140, 935260, 4161907, 8323814, 16647628, 20809535, 41619070, 83238140]

約数ペア:

[(1, 83238140), (2, 41619070), (4, 20809535), (5, 16647628), (10, 8323814), (20, 4161907), (89, 935260), (101, 824140), (178, 467630), (202, 412070), (356, 233815), (404, 206035), (445, 187052), (463, 179780), (505, 164828), (890, 93526), (926, 89890), (1010, 82414), (1780, 46763), (1852, 44945), (2020, 41207), (2315, 35956), (4630, 17978), (8989, 9260)]