201001228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 381024000

約数和(自身を除く): 180022772

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 139, 212, 278, 359, 556, 718, 1007, 1436, 2014, 2641, 4028, 5282, 6821, 7367, 10564, 13642, 14734, 19027, 27284, 29468, 38054, 49901, 76108, 99802, 139973, 199604, 279946, 361513, 559892, 723026, 948119, 1446052, 1896238, 2644753, 3792476, 5289506, 10579012, 50250307, 100500614, 201001228]

約数ペア:

[(1, 201001228), (2, 100500614), (4, 50250307), (19, 10579012), (38, 5289506), (53, 3792476), (76, 2644753), (106, 1896238), (139, 1446052), (212, 948119), (278, 723026), (359, 559892), (556, 361513), (718, 279946), (1007, 199604), (1436, 139973), (2014, 99802), (2641, 76108), (4028, 49901), (5282, 38054), (6821, 29468), (7367, 27284), (10564, 19027), (13642, 14734)]