153879320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{549569}}^1$

素因数の和:549587

約数の個数: 32

約数和(自身を含む): 395690400

約数和(自身を除く): 241811080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 549569, 1099138, 2198276, 2747845, 3846983, 4396552, 5495690, 7693966, 10991380, 15387932, 19234915, 21982760, 30775864, 38469830, 76939660, 153879320]

約数ペア:

[(1, 153879320), (2, 76939660), (4, 38469830), (5, 30775864), (7, 21982760), (8, 19234915), (10, 15387932), (14, 10991380), (20, 7693966), (28, 5495690), (35, 4396552), (40, 3846983), (56, 2747845), (70, 2198276), (140, 1099138), (280, 549569)]