245277480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{291997}}^1$

素因数の和:292018

約数の個数: 64

約数和(自身を含む): 840954240

約数和(自身を除く): 595676760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 291997, 583994, 875991, 1167988, 1459985, 1751982, 2043979, 2335976, 2919970, 3503964, 4087958, 4379955, 5839940, 6131937, 7007928, 8175916, 8759910, 10219895, 11679880, 12263874, 16351832, 17519820, 20439790, 24527748, 30659685, 35039640, 40879580, 49055496, 61319370, 81759160, 122638740, 245277480]

約数ペア:

[(1, 245277480), (2, 122638740), (3, 81759160), (4, 61319370), (5, 49055496), (6, 40879580), (7, 35039640), (8, 30659685), (10, 24527748), (12, 20439790), (14, 17519820), (15, 16351832), (20, 12263874), (21, 11679880), (24, 10219895), (28, 8759910), (30, 8175916), (35, 7007928), (40, 6131937), (42, 5839940), (56, 4379955), (60, 4087958), (70, 3503964), (84, 2919970), (105, 2335976), (120, 2043979), (140, 1751982), (168, 1459985), (210, 1167988), (280, 875991), (420, 583994), (840, 291997)]