3879460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 9003456

約数和(自身を除く): 5123996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 347, 430, 559, 694, 860, 1118, 1388, 1735, 2236, 2795, 3470, 4511, 5590, 6940, 9022, 11180, 14921, 18044, 22555, 29842, 45110, 59684, 74605, 90220, 149210, 193973, 298420, 387946, 775892, 969865, 1939730, 3879460]

約数ペア:

[(1, 3879460), (2, 1939730), (4, 969865), (5, 775892), (10, 387946), (13, 298420), (20, 193973), (26, 149210), (43, 90220), (52, 74605), (65, 59684), (86, 45110), (130, 29842), (172, 22555), (215, 18044), (260, 14921), (347, 11180), (430, 9022), (559, 6940), (694, 5590), (860, 4511), (1118, 3470), (1388, 2795), (1735, 2236)]