520010540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{1811}}^1$

素因数の和:2127

約数の個数: 72

約数和(自身を含む): 1275350832

約数和(自身を除く): 755340292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 293, 490, 586, 980, 1172, 1465, 1811, 2051, 2930, 3622, 4102, 5860, 7244, 8204, 9055, 10255, 12677, 14357, 18110, 20510, 25354, 28714, 36220, 41020, 50708, 57428, 63385, 71785, 88739, 126770, 143570, 177478, 253540, 287140, 354956, 443695, 530623, 887390, 1061246, 1774780, 2122492, 2653115, 3714361, 5306230, 7428722, 10612460, 14857444, 18571805, 26000527, 37143610, 52001054, 74287220, 104002108, 130002635, 260005270, 520010540]

約数ペア:

[(1, 520010540), (2, 260005270), (4, 130002635), (5, 104002108), (7, 74287220), (10, 52001054), (14, 37143610), (20, 26000527), (28, 18571805), (35, 14857444), (49, 10612460), (70, 7428722), (98, 5306230), (140, 3714361), (196, 2653115), (245, 2122492), (293, 1774780), (490, 1061246), (586, 887390), (980, 530623), (1172, 443695), (1465, 354956), (1811, 287140), (2051, 253540), (2930, 177478), (3622, 143570), (4102, 126770), (5860, 88739), (7244, 71785), (8204, 63385), (9055, 57428), (10255, 50708), (12677, 41020), (14357, 36220), (18110, 28714), (20510, 25354)]