149838640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{267569}}^1$

素因数の和:267589

約数の個数: 40

約数和(自身を含む): 398144160

約数和(自身を除く): 248305520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 267569, 535138, 1070276, 1337845, 1872983, 2140552, 2675690, 3745966, 4281104, 5351380, 7491932, 9364915, 10702760, 14983864, 18729830, 21405520, 29967728, 37459660, 74919320, 149838640]

約数ペア:

[(1, 149838640), (2, 74919320), (4, 37459660), (5, 29967728), (7, 21405520), (8, 18729830), (10, 14983864), (14, 10702760), (16, 9364915), (20, 7491932), (28, 5351380), (35, 4281104), (40, 3745966), (56, 2675690), (70, 2140552), (80, 1872983), (112, 1337845), (140, 1070276), (280, 535138), (560, 267569)]