155929420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{5557}}^1$

素因数の和:5650

約数の個数: 48

約数和(自身を含む): 347352768

約数和(自身を除く): 191423348

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 1220, 1403, 2806, 5557, 5612, 7015, 11114, 14030, 22228, 27785, 28060, 55570, 111140, 127811, 255622, 338977, 511244, 639055, 677954, 1278110, 1355908, 1694885, 2556220, 3389770, 6779540, 7796471, 15592942, 31185884, 38982355, 77964710, 155929420]

約数ペア:

[(1, 155929420), (2, 77964710), (4, 38982355), (5, 31185884), (10, 15592942), (20, 7796471), (23, 6779540), (46, 3389770), (61, 2556220), (92, 1694885), (115, 1355908), (122, 1278110), (230, 677954), (244, 639055), (305, 511244), (460, 338977), (610, 255622), (1220, 127811), (1403, 111140), (2806, 55570), (5557, 28060), (5612, 27785), (7015, 22228), (11114, 14030)]