199760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:251

約数の個数: 40

約数和(自身を含む): 508896

約数和(自身を除く): 309136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 227, 440, 454, 880, 908, 1135, 1816, 2270, 2497, 3632, 4540, 4994, 9080, 9988, 12485, 18160, 19976, 24970, 39952, 49940, 99880, 199760]

約数ペア:

[(1, 199760), (2, 99880), (4, 49940), (5, 39952), (8, 24970), (10, 19976), (11, 18160), (16, 12485), (20, 9988), (22, 9080), (40, 4994), (44, 4540), (55, 3632), (80, 2497), (88, 2270), (110, 1816), (176, 1135), (220, 908), (227, 880), (440, 454)]