2748990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2184

約数の個数: 32

約数和(自身を含む): 6754176

約数和(自身を除く): 4005186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 2131, 4262, 6393, 10655, 12786, 21310, 31965, 63930, 91633, 183266, 274899, 458165, 549798, 916330, 1374495, 2748990]

約数ペア:

[(1, 2748990), (2, 1374495), (3, 916330), (5, 549798), (6, 458165), (10, 274899), (15, 183266), (30, 91633), (43, 63930), (86, 31965), (129, 21310), (215, 12786), (258, 10655), (430, 6393), (645, 4262), (1290, 2131)]