85240540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55351}}^1$

素因数の和:55378

約数の個数: 48

約数和(自身を含む): 223179264

約数和(自身を除く): 137938724

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, 55351, 110702, 221404, 276755, 387457, 553510, 608861, 774914, 1107020, 1217722, 1549828, 1937285, 2435444, 3044305, 3874570, 4262027, 6088610, 7749140, 8524054, 12177220, 17048108, 21310135, 42620270, 85240540]

約数ペア:

[(1, 85240540), (2, 42620270), (4, 21310135), (5, 17048108), (7, 12177220), (10, 8524054), (11, 7749140), (14, 6088610), (20, 4262027), (22, 3874570), (28, 3044305), (35, 2435444), (44, 1937285), (55, 1549828), (70, 1217722), (77, 1107020), (110, 774914), (140, 608861), (154, 553510), (220, 387457), (308, 276755), (385, 221404), (770, 110702), (1540, 55351)]