217493820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1208299}}^1$

素因数の和:1208314

約数の個数: 36

約数和(自身を含む): 659731800

約数和(自身を除く): 442237980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1208299, 2416598, 3624897, 4833196, 6041495, 7249794, 10874691, 12082990, 14499588, 18124485, 21749382, 24165980, 36248970, 43498764, 54373455, 72497940, 108746910, 217493820]

約数ペア:

[(1, 217493820), (2, 108746910), (3, 72497940), (4, 54373455), (5, 43498764), (6, 36248970), (9, 24165980), (10, 21749382), (12, 18124485), (15, 14499588), (18, 12082990), (20, 10874691), (30, 7249794), (36, 6041495), (45, 4833196), (60, 3624897), (90, 2416598), (180, 1208299)]