99778380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127921}}^1$

素因数の和:127946

約数の個数: 48

約数和(自身を含む): 300872544

約数和(自身を除く): 201094164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 127921, 255842, 383763, 511684, 639605, 767526, 1279210, 1535052, 1662973, 1918815, 2558420, 3325946, 3837630, 4988919, 6651892, 7675260, 8314865, 9977838, 16629730, 19955676, 24944595, 33259460, 49889190, 99778380]

約数ペア:

[(1, 99778380), (2, 49889190), (3, 33259460), (4, 24944595), (5, 19955676), (6, 16629730), (10, 9977838), (12, 8314865), (13, 7675260), (15, 6651892), (20, 4988919), (26, 3837630), (30, 3325946), (39, 2558420), (52, 1918815), (60, 1662973), (65, 1535052), (78, 1279210), (130, 767526), (156, 639605), (195, 511684), (260, 383763), (390, 255842), (780, 127921)]