152154920

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{19309}}^1$

素因数の和:19517

約数の個数: 32

約数和(自身を含む): 344104200

約数和(自身を除く): 191949280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 19309, 38618, 77236, 96545, 154472, 193090, 386180, 772360, 3803873, 7607746, 15215492, 19019365, 30430984, 38038730, 76077460, 152154920]

約数ペア:

[(1, 152154920), (2, 76077460), (4, 38038730), (5, 30430984), (8, 19019365), (10, 15215492), (20, 7607746), (40, 3803873), (197, 772360), (394, 386180), (788, 193090), (985, 154472), (1576, 96545), (1970, 77236), (3940, 38618), (7880, 19309)]