380067740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{13411}}^1$

素因数の和:13542

約数の個数: 48

約数和(自身を含む): 867488160

約数和(自身を除く): 487420420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 13411, 14170, 26822, 28340, 53644, 67055, 134110, 174343, 268220, 348686, 697372, 871715, 1461799, 1743430, 2923598, 3486860, 5847196, 7308995, 14617990, 19003387, 29235980, 38006774, 76013548, 95016935, 190033870, 380067740]

約数ペア:

[(1, 380067740), (2, 190033870), (4, 95016935), (5, 76013548), (10, 38006774), (13, 29235980), (20, 19003387), (26, 14617990), (52, 7308995), (65, 5847196), (109, 3486860), (130, 2923598), (218, 1743430), (260, 1461799), (436, 871715), (545, 697372), (1090, 348686), (1417, 268220), (2180, 174343), (2834, 134110), (5668, 67055), (7085, 53644), (13411, 28340), (14170, 26822)]