2109016090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{139393}}^1$

素因数の和:139506

約数の個数: 32

約数和(自身を含む): 4064729040

約数和(自身を除く): 1955712950

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 3026, 7565, 15130, 139393, 278786, 696965, 1393930, 2369681, 4739362, 11848405, 12405977, 23696810, 24811954, 62029885, 124059770, 210901609, 421803218, 1054508045, 2109016090]

約数ペア:

[(1, 2109016090), (2, 1054508045), (5, 421803218), (10, 210901609), (17, 124059770), (34, 62029885), (85, 24811954), (89, 23696810), (170, 12405977), (178, 11848405), (445, 4739362), (890, 2369681), (1513, 1393930), (3026, 696965), (7565, 278786), (15130, 139393)]