890667050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{195751}}^1$

素因数の和:195783

約数の個数: 48

約数和(自身を含む): 2038952832

約数和(自身を除く): 1148285782

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 195751, 391502, 978755, 1370257, 1957510, 2544763, 2740514, 4893775, 5089526, 6851285, 9787550, 12723815, 13702570, 17813341, 25447630, 34256425, 35626682, 63619075, 68512850, 89066705, 127238150, 178133410, 445333525, 890667050]

約数ペア:

[(1, 890667050), (2, 445333525), (5, 178133410), (7, 127238150), (10, 89066705), (13, 68512850), (14, 63619075), (25, 35626682), (26, 34256425), (35, 25447630), (50, 17813341), (65, 13702570), (70, 12723815), (91, 9787550), (130, 6851285), (175, 5089526), (182, 4893775), (325, 2740514), (350, 2544763), (455, 1957510), (650, 1370257), (910, 978755), (2275, 391502), (4550, 195751)]