199918390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{28277}}^1$

素因数の和:28392

約数の個数: 32

約数和(自身を含む): 415347264

約数和(自身を除く): 215428874

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 7070, 28277, 56554, 141385, 197939, 282770, 395878, 989695, 1979390, 2855977, 5711954, 14279885, 19991839, 28559770, 39983678, 99959195, 199918390]

約数ペア:

[(1, 199918390), (2, 99959195), (5, 39983678), (7, 28559770), (10, 19991839), (14, 14279885), (35, 5711954), (70, 2855977), (101, 1979390), (202, 989695), (505, 395878), (707, 282770), (1010, 197939), (1414, 141385), (3535, 56554), (7070, 28277)]