55799940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{132857}}^1$

素因数の和:132876

約数の個数: 48

約数和(自身を含む): 178561152

約数和(自身を除く): 122761212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 132857, 265714, 398571, 531428, 664285, 797142, 929999, 1328570, 1594284, 1859998, 1992855, 2657140, 2789997, 3719996, 3985710, 4649995, 5579994, 7971420, 9299990, 11159988, 13949985, 18599980, 27899970, 55799940]

約数ペア:

[(1, 55799940), (2, 27899970), (3, 18599980), (4, 13949985), (5, 11159988), (6, 9299990), (7, 7971420), (10, 5579994), (12, 4649995), (14, 3985710), (15, 3719996), (20, 2789997), (21, 2657140), (28, 1992855), (30, 1859998), (35, 1594284), (42, 1328570), (60, 929999), (70, 797142), (84, 664285), (105, 531428), (140, 398571), (210, 265714), (420, 132857)]