260054140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{3583}}^1$

素因数の和:3802

約数の個数: 48

約数和(自身を含む): 578027520

約数和(自身を除く): 317973380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1910, 3583, 3629, 3820, 7166, 7258, 14332, 14516, 17915, 18145, 35830, 36290, 68077, 71660, 72580, 136154, 272308, 340385, 680770, 684353, 1361540, 1368706, 2737412, 3421765, 6843530, 13002707, 13687060, 26005414, 52010828, 65013535, 130027070, 260054140]

約数ペア:

[(1, 260054140), (2, 130027070), (4, 65013535), (5, 52010828), (10, 26005414), (19, 13687060), (20, 13002707), (38, 6843530), (76, 3421765), (95, 2737412), (190, 1368706), (191, 1361540), (380, 684353), (382, 680770), (764, 340385), (955, 272308), (1910, 136154), (3583, 72580), (3629, 71660), (3820, 68077), (7166, 36290), (7258, 35830), (14332, 18145), (14516, 17915)]