280542812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{463}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 550029312

約数和(自身を除く): 269486500

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 293, 463, 517, 586, 926, 1034, 1172, 1852, 2068, 3223, 5093, 6446, 10186, 12892, 13771, 20372, 21761, 27542, 43522, 55084, 87044, 135659, 151481, 239371, 271318, 302962, 478742, 542636, 605924, 957484, 1492249, 2984498, 5968996, 6375973, 12751946, 25503892, 70135703, 140271406, 280542812]

約数ペア:

[(1, 280542812), (2, 140271406), (4, 70135703), (11, 25503892), (22, 12751946), (44, 6375973), (47, 5968996), (94, 2984498), (188, 1492249), (293, 957484), (463, 605924), (517, 542636), (586, 478742), (926, 302962), (1034, 271318), (1172, 239371), (1852, 151481), (2068, 135659), (3223, 87044), (5093, 55084), (6446, 43522), (10186, 27542), (12892, 21761), (13771, 20372)]