397453180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{4799}}^1$

素因数の和:4950

約数の個数: 48

約数和(自身を含む): 863654400

約数和(自身を除く): 466201220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 202, 205, 404, 410, 505, 820, 1010, 2020, 4141, 4799, 8282, 9598, 16564, 19196, 20705, 23995, 41410, 47990, 82820, 95980, 196759, 393518, 484699, 787036, 969398, 983795, 1938796, 1967590, 2423495, 3935180, 4846990, 9693980, 19872659, 39745318, 79490636, 99363295, 198726590, 397453180]

約数ペア:

[(1, 397453180), (2, 198726590), (4, 99363295), (5, 79490636), (10, 39745318), (20, 19872659), (41, 9693980), (82, 4846990), (101, 3935180), (164, 2423495), (202, 1967590), (205, 1938796), (404, 983795), (410, 969398), (505, 787036), (820, 484699), (1010, 393518), (2020, 196759), (4141, 95980), (4799, 82820), (8282, 47990), (9598, 41410), (16564, 23995), (19196, 20705)]