1551147982220

素因数分解:

$2^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{2647}}^1\times {\mathrm{15413}}^1$

素因数の和:19970

約数の個数: 48

約数和(自身を含む): 3260567072448

約数和(自身を除く): 1709419090228

約数列:

[1, 2, 4, 5, 10, 20, 1901, 2647, 3802, 5294, 7604, 9505, 10588, 13235, 15413, 19010, 26470, 30826, 38020, 52940, 61652, 77065, 154130, 308260, 5031947, 10063894, 20127788, 25159735, 29300113, 40798211, 50319470, 58600226, 81596422, 100638940, 117200452, 146500565, 163192844, 203991055, 293001130, 407982110, 586002260, 815964220, 77557399111, 155114798222, 310229596444, 387786995555, 775573991110, 1551147982220]

約数ペア:

[(1, 1551147982220), (2, 775573991110), (4, 387786995555), (5, 310229596444), (10, 155114798222), (20, 77557399111), (1901, 815964220), (2647, 586002260), (3802, 407982110), (5294, 293001130), (7604, 203991055), (9505, 163192844), (10588, 146500565), (13235, 117200452), (15413, 100638940), (19010, 81596422), (26470, 58600226), (30826, 50319470), (38020, 40798211), (52940, 29300113), (61652, 25159735), (77065, 20127788), (154130, 10063894), (308260, 5031947)]