71377000

素因数分解:

$2^3\times 5^3\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 168564240

約数和(自身を除く): 97187240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 137, 200, 250, 274, 500, 521, 548, 685, 1000, 1042, 1096, 1370, 2084, 2605, 2740, 3425, 4168, 5210, 5480, 6850, 10420, 13025, 13700, 17125, 20840, 26050, 27400, 34250, 52100, 65125, 68500, 71377, 104200, 130250, 137000, 142754, 260500, 285508, 356885, 521000, 571016, 713770, 1427540, 1784425, 2855080, 3568850, 7137700, 8922125, 14275400, 17844250, 35688500, 71377000]

約数ペア:

[(1, 71377000), (2, 35688500), (4, 17844250), (5, 14275400), (8, 8922125), (10, 7137700), (20, 3568850), (25, 2855080), (40, 1784425), (50, 1427540), (100, 713770), (125, 571016), (137, 521000), (200, 356885), (250, 285508), (274, 260500), (500, 142754), (521, 137000), (548, 130250), (685, 104200), (1000, 71377), (1042, 68500), (1096, 65125), (1370, 52100), (2084, 34250), (2605, 27400), (2740, 26050), (3425, 20840), (4168, 17125), (5210, 13700), (5480, 13025), (6850, 10420)]