43212004

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 90567680

約数和(自身を除く): 47355676

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 121, 127, 148, 209, 242, 254, 407, 418, 484, 508, 703, 814, 836, 1397, 1406, 1628, 2299, 2413, 2794, 2812, 4477, 4598, 4699, 4826, 5588, 7733, 8954, 9196, 9398, 9652, 15367, 15466, 17908, 18796, 26543, 30734, 30932, 51689, 53086, 61468, 85063, 89281, 103378, 106172, 170126, 178562, 206756, 291973, 340252, 357124, 568579, 583946, 982091, 1137158, 1167892, 1964182, 2274316, 3928364, 10803001, 21606002, 43212004]

約数ペア:

[(1, 43212004), (2, 21606002), (4, 10803001), (11, 3928364), (19, 2274316), (22, 1964182), (37, 1167892), (38, 1137158), (44, 982091), (74, 583946), (76, 568579), (121, 357124), (127, 340252), (148, 291973), (209, 206756), (242, 178562), (254, 170126), (407, 106172), (418, 103378), (484, 89281), (508, 85063), (703, 61468), (814, 53086), (836, 51689), (1397, 30932), (1406, 30734), (1628, 26543), (2299, 18796), (2413, 17908), (2794, 15466), (2812, 15367), (4477, 9652), (4598, 9398), (4699, 9196), (4826, 8954), (5588, 7733)]