2170906640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3876619}}^1$

素因数の和:3876639

約数の個数: 40

約数和(自身を含む): 5768410560

約数和(自身を除く): 3597503920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3876619, 7753238, 15506476, 19383095, 27136333, 31012952, 38766190, 54272666, 62025904, 77532380, 108545332, 135681665, 155064760, 217090664, 271363330, 310129520, 434181328, 542726660, 1085453320, 2170906640]

約数ペア:

[(1, 2170906640), (2, 1085453320), (4, 542726660), (5, 434181328), (7, 310129520), (8, 271363330), (10, 217090664), (14, 155064760), (16, 135681665), (20, 108545332), (28, 77532380), (35, 62025904), (40, 54272666), (56, 38766190), (70, 31012952), (80, 27136333), (112, 19383095), (140, 15506476), (280, 7753238), (560, 3876619)]