87485860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56809}}^1$

素因数の和:56836

約数の個数: 48

約数和(自身を含む): 229057920

約数和(自身を除く): 141572060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 56809, 113618, 227236, 284045, 397663, 568090, 624899, 795326, 1136180, 1249798, 1590652, 1988315, 2499596, 3124495, 3976630, 4374293, 6248990, 7953260, 8748586, 12497980, 17497172, 21871465, 43742930, 87485860]

約数ペア:

[(1, 87485860), (2, 43742930), (4, 21871465), (5, 17497172), (7, 12497980), (10, 8748586), (11, 7953260), (14, 6248990), (20, 4374293), (22, 3976630), (28, 3124495), (35, 2499596), (44, 1988315), (55, 1590652), (70, 1249798), (77, 1136180), (110, 795326), (140, 624899), (154, 568090), (220, 397663), (308, 284045), (385, 227236), (770, 113618), (1540, 56809)]