205810710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{983}}^1\times {\mathrm{997}}^1$

素因数の和:1997

約数の個数: 64

約数和(自身を含む): 565650432

約数和(自身を除く): 359839722

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 983, 997, 1966, 1994, 2949, 2991, 4915, 4985, 5898, 5982, 6881, 6979, 9830, 9970, 13762, 13958, 14745, 14955, 20643, 20937, 29490, 29910, 34405, 34895, 41286, 41874, 68810, 69790, 103215, 104685, 206430, 209370, 980051, 1960102, 2940153, 4900255, 5880306, 6860357, 9800510, 13720714, 14700765, 20581071, 29401530, 34301785, 41162142, 68603570, 102905355, 205810710]

約数ペア:

[(1, 205810710), (2, 102905355), (3, 68603570), (5, 41162142), (6, 34301785), (7, 29401530), (10, 20581071), (14, 14700765), (15, 13720714), (21, 9800510), (30, 6860357), (35, 5880306), (42, 4900255), (70, 2940153), (105, 1960102), (210, 980051), (983, 209370), (997, 206430), (1966, 104685), (1994, 103215), (2949, 69790), (2991, 68810), (4915, 41874), (4985, 41286), (5898, 34895), (5982, 34405), (6881, 29910), (6979, 29490), (9830, 20937), (9970, 20643), (13762, 14955), (13958, 14745)]