77432780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 166682880

約数和(自身を除く): 89250100

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 211, 236, 295, 311, 422, 590, 622, 844, 1055, 1180, 1244, 1555, 2110, 3110, 4220, 6220, 12449, 18349, 24898, 36698, 49796, 62245, 65621, 73396, 91745, 124490, 131242, 183490, 248980, 262484, 328105, 366980, 656210, 1312420, 3871639, 7743278, 15486556, 19358195, 38716390, 77432780]

約数ペア:

[(1, 77432780), (2, 38716390), (4, 19358195), (5, 15486556), (10, 7743278), (20, 3871639), (59, 1312420), (118, 656210), (211, 366980), (236, 328105), (295, 262484), (311, 248980), (422, 183490), (590, 131242), (622, 124490), (844, 91745), (1055, 73396), (1180, 65621), (1244, 62245), (1555, 49796), (2110, 36698), (3110, 24898), (4220, 18349), (6220, 12449)]