401969820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{957071}}^1$

素因数の和:957090

約数の個数: 48

約数和(自身を含む): 1286304768

約数和(自身を除く): 884334948

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, 957071, 1914142, 2871213, 3828284, 4785355, 5742426, 6699497, 9570710, 11484852, 13398994, 14356065, 19141420, 20098491, 26797988, 28712130, 33497485, 40196982, 57424260, 66994970, 80393964, 100492455, 133989940, 200984910, 401969820]

約数ペア:

[(1, 401969820), (2, 200984910), (3, 133989940), (4, 100492455), (5, 80393964), (6, 66994970), (7, 57424260), (10, 40196982), (12, 33497485), (14, 28712130), (15, 26797988), (20, 20098491), (21, 19141420), (28, 14356065), (30, 13398994), (35, 11484852), (42, 9570710), (60, 6699497), (70, 5742426), (84, 4785355), (105, 3828284), (140, 2871213), (210, 1914142), (420, 957071)]