214925980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{1033}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 460684224

約数和(自身を除く): 245758244

約数列:

[1, 2, 4, 5, 10, 20, 101, 103, 202, 206, 404, 412, 505, 515, 1010, 1030, 1033, 2020, 2060, 2066, 4132, 5165, 10330, 10403, 20660, 20806, 41612, 52015, 104030, 104333, 106399, 208060, 208666, 212798, 417332, 425596, 521665, 531995, 1043330, 1063990, 2086660, 2127980, 10746299, 21492598, 42985196, 53731495, 107462990, 214925980]

約数ペア:

[(1, 214925980), (2, 107462990), (4, 53731495), (5, 42985196), (10, 21492598), (20, 10746299), (101, 2127980), (103, 2086660), (202, 1063990), (206, 1043330), (404, 531995), (412, 521665), (505, 425596), (515, 417332), (1010, 212798), (1030, 208666), (1033, 208060), (2020, 106399), (2060, 104333), (2066, 104030), (4132, 52015), (5165, 41612), (10330, 20806), (10403, 20660)]