238420720

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{7079}}^1$

素因数の和:7513

約数の個数: 40

約数和(自身を含む): 555723360

約数和(自身を除く): 317302640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4210, 6736, 7079, 8420, 14158, 16840, 28316, 33680, 35395, 56632, 70790, 113264, 141580, 283160, 566320, 2980259, 5960518, 11921036, 14901295, 23842072, 29802590, 47684144, 59605180, 119210360, 238420720]

約数ペア:

[(1, 238420720), (2, 119210360), (4, 59605180), (5, 47684144), (8, 29802590), (10, 23842072), (16, 14901295), (20, 11921036), (40, 5960518), (80, 2980259), (421, 566320), (842, 283160), (1684, 141580), (2105, 113264), (3368, 70790), (4210, 56632), (6736, 35395), (7079, 33680), (8420, 28316), (14158, 16840)]