421198140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{638179}}^1$

素因数の和:638202

約数の個数: 48

約数和(自身を含む): 1286570880

約数和(自身を除く): 865372740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 638179, 1276358, 1914537, 2552716, 3190895, 3829074, 6381790, 7019969, 7658148, 9572685, 12763580, 14039938, 19145370, 21059907, 28079876, 35099845, 38290740, 42119814, 70199690, 84239628, 105299535, 140399380, 210599070, 421198140]

約数ペア:

[(1, 421198140), (2, 210599070), (3, 140399380), (4, 105299535), (5, 84239628), (6, 70199690), (10, 42119814), (11, 38290740), (12, 35099845), (15, 28079876), (20, 21059907), (22, 19145370), (30, 14039938), (33, 12763580), (44, 9572685), (55, 7658148), (60, 7019969), (66, 6381790), (110, 3829074), (132, 3190895), (165, 2552716), (220, 1914537), (330, 1276358), (660, 638179)]