102157460

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 219203712

約数和(自身を除く): 117046252

約数列:

[1, 2, 4, 5, 10, 20, 101, 103, 202, 206, 404, 412, 491, 505, 515, 982, 1010, 1030, 1964, 2020, 2060, 2455, 4910, 9820, 10403, 20806, 41612, 49591, 50573, 52015, 99182, 101146, 104030, 198364, 202292, 208060, 247955, 252865, 495910, 505730, 991820, 1011460, 5107873, 10215746, 20431492, 25539365, 51078730, 102157460]

約数ペア:

[(1, 102157460), (2, 51078730), (4, 25539365), (5, 20431492), (10, 10215746), (20, 5107873), (101, 1011460), (103, 991820), (202, 505730), (206, 495910), (404, 252865), (412, 247955), (491, 208060), (505, 202292), (515, 198364), (982, 104030), (1010, 101146), (1030, 99182), (1964, 52015), (2020, 50573), (2060, 49591), (2455, 41612), (4910, 20806), (9820, 10403)]