1154295280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{203221}}^1$

素因数の和:203305

約数の個数: 40

約数和(自身を含む): 2721549024

約数和(自身を除く): 1567253744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 203221, 406442, 812884, 1016105, 1625768, 2032210, 3251536, 4064420, 8128840, 14428691, 16257680, 28857382, 57714764, 72143455, 115429528, 144286910, 230859056, 288573820, 577147640, 1154295280]

約数ペア:

[(1, 1154295280), (2, 577147640), (4, 288573820), (5, 230859056), (8, 144286910), (10, 115429528), (16, 72143455), (20, 57714764), (40, 28857382), (71, 16257680), (80, 14428691), (142, 8128840), (284, 4064420), (355, 3251536), (568, 2032210), (710, 1625768), (1136, 1016105), (1420, 812884), (2840, 406442), (5680, 203221)]