440336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 963480

約数和(自身を除く): 523144

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 73, 104, 116, 146, 208, 232, 292, 377, 464, 584, 754, 949, 1168, 1508, 1898, 2117, 3016, 3796, 4234, 6032, 7592, 8468, 15184, 16936, 27521, 33872, 55042, 110084, 220168, 440336]

約数ペア:

[(1, 440336), (2, 220168), (4, 110084), (8, 55042), (13, 33872), (16, 27521), (26, 16936), (29, 15184), (52, 8468), (58, 7592), (73, 6032), (104, 4234), (116, 3796), (146, 3016), (208, 2117), (232, 1898), (292, 1508), (377, 1168), (464, 949), (584, 754)]