208055860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{21101}}^1$

素因数の和:21156

約数の個数: 48

約数和(自身を含む): 478593360

約数和(自身を除く): 270537500

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 21101, 42202, 84404, 105505, 211010, 358717, 422020, 611929, 717434, 1223858, 1434868, 1793585, 2447716, 3059645, 3587170, 6119290, 7174340, 10402793, 12238580, 20805586, 41611172, 52013965, 104027930, 208055860]

約数ペア:

[(1, 208055860), (2, 104027930), (4, 52013965), (5, 41611172), (10, 20805586), (17, 12238580), (20, 10402793), (29, 7174340), (34, 6119290), (58, 3587170), (68, 3059645), (85, 2447716), (116, 1793585), (145, 1434868), (170, 1223858), (290, 717434), (340, 611929), (493, 422020), (580, 358717), (986, 211010), (1972, 105505), (2465, 84404), (4930, 42202), (9860, 21101)]