3878660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 8769600

約数和(自身を除く): 4890940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 173, 190, 236, 295, 346, 380, 590, 692, 865, 1121, 1180, 1730, 2242, 3287, 3460, 4484, 5605, 6574, 10207, 11210, 13148, 16435, 20414, 22420, 32870, 40828, 51035, 65740, 102070, 193933, 204140, 387866, 775732, 969665, 1939330, 3878660]

約数ペア:

[(1, 3878660), (2, 1939330), (4, 969665), (5, 775732), (10, 387866), (19, 204140), (20, 193933), (38, 102070), (59, 65740), (76, 51035), (95, 40828), (118, 32870), (173, 22420), (190, 20414), (236, 16435), (295, 13148), (346, 11210), (380, 10207), (590, 6574), (692, 5605), (865, 4484), (1121, 3460), (1180, 3287), (1730, 2242)]