247926770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{38921}}^1$

素因数の和:38955

約数の個数: 48

約数和(自身を含む): 559075608

約数和(自身を除く): 311148838

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 38921, 77842, 194605, 272447, 389210, 505973, 544894, 1011946, 1362235, 1907129, 2529865, 2724470, 3541811, 3814258, 5059730, 7083622, 9535645, 17709055, 19071290, 24792677, 35418110, 49585354, 123963385, 247926770]

約数ペア:

[(1, 247926770), (2, 123963385), (5, 49585354), (7, 35418110), (10, 24792677), (13, 19071290), (14, 17709055), (26, 9535645), (35, 7083622), (49, 5059730), (65, 3814258), (70, 3541811), (91, 2724470), (98, 2529865), (130, 1907129), (182, 1362235), (245, 1011946), (455, 544894), (490, 505973), (637, 389210), (910, 272447), (1274, 194605), (3185, 77842), (6370, 38921)]