202102040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{721793}}^1$

素因数の和:721811

約数の個数: 32

約数和(自身を含む): 519691680

約数和(自身を除く): 317589640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 721793, 1443586, 2887172, 3608965, 5052551, 5774344, 7217930, 10105102, 14435860, 20210204, 25262755, 28871720, 40420408, 50525510, 101051020, 202102040]

約数ペア:

[(1, 202102040), (2, 101051020), (4, 50525510), (5, 40420408), (7, 28871720), (8, 25262755), (10, 20210204), (14, 14435860), (20, 10105102), (28, 7217930), (35, 5774344), (40, 5052551), (56, 3608965), (70, 2887172), (140, 1443586), (280, 721793)]