9899485640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1184149}}^1$

素因数の和:1184190

約数の個数: 64

約数和(自身を含む): 25577640000

約数和(自身を除く): 15678154360

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 1184149, 2368298, 4736596, 5920745, 9473192, 11841490, 13025639, 22498831, 23682980, 26051278, 44997662, 47365960, 52102556, 65128195, 89995324, 104205112, 112494155, 130256390, 179990648, 224988310, 247487141, 260512780, 449976620, 494974282, 521025560, 899953240, 989948564, 1237435705, 1979897128, 2474871410, 4949742820, 9899485640]

約数ペア:

[(1, 9899485640), (2, 4949742820), (4, 2474871410), (5, 1979897128), (8, 1237435705), (10, 989948564), (11, 899953240), (19, 521025560), (20, 494974282), (22, 449976620), (38, 260512780), (40, 247487141), (44, 224988310), (55, 179990648), (76, 130256390), (88, 112494155), (95, 104205112), (110, 89995324), (152, 65128195), (190, 52102556), (209, 47365960), (220, 44997662), (380, 26051278), (418, 23682980), (440, 22498831), (760, 13025639), (836, 11841490), (1045, 9473192), (1672, 5920745), (2090, 4736596), (4180, 2368298), (8360, 1184149)]