170918980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8641}}^1$

素因数の和:8716

約数の個数: 48

約数和(自身を含む): 383289984

約数和(自身を除く): 212371004

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 8641, 9890, 17282, 19780, 34564, 43205, 86410, 172820, 198743, 371563, 397486, 743126, 794972, 993715, 1486252, 1857815, 1987430, 3715630, 3974860, 7431260, 8545949, 17091898, 34183796, 42729745, 85459490, 170918980]

約数ペア:

[(1, 170918980), (2, 85459490), (4, 42729745), (5, 34183796), (10, 17091898), (20, 8545949), (23, 7431260), (43, 3974860), (46, 3715630), (86, 1987430), (92, 1857815), (115, 1486252), (172, 993715), (215, 794972), (230, 743126), (430, 397486), (460, 371563), (860, 198743), (989, 172820), (1978, 86410), (3956, 43205), (4945, 34564), (8641, 19780), (9890, 17282)]