199412510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20369}}^1$

素因数の和:20476

約数の個数: 32

約数和(自身を含む): 395992800

約数和(自身を除く): 196580290

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 20369, 40738, 101845, 203690, 224059, 448118, 1120295, 1812841, 2240590, 3625682, 9064205, 18128410, 19941251, 39882502, 99706255, 199412510]

約数ペア:

[(1, 199412510), (2, 99706255), (5, 39882502), (10, 19941251), (11, 18128410), (22, 9064205), (55, 3625682), (89, 2240590), (110, 1812841), (178, 1120295), (445, 448118), (890, 224059), (979, 203690), (1958, 101845), (4895, 40738), (9790, 20369)]