144406640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257869}}^1$

素因数の和:257889

約数の個数: 40

約数和(自身を含む): 383710560

約数和(自身を除く): 239303920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 257869, 515738, 1031476, 1289345, 1805083, 2062952, 2578690, 3610166, 4125904, 5157380, 7220332, 9025415, 10314760, 14440664, 18050830, 20629520, 28881328, 36101660, 72203320, 144406640]

約数ペア:

[(1, 144406640), (2, 72203320), (4, 36101660), (5, 28881328), (7, 20629520), (8, 18050830), (10, 14440664), (14, 10314760), (16, 9025415), (20, 7220332), (28, 5157380), (35, 4125904), (40, 3610166), (56, 2578690), (70, 2062952), (80, 1805083), (112, 1289345), (140, 1031476), (280, 515738), (560, 257869)]