2388400420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{86599}}^1$

素因数の和:86812

約数の個数: 48

約数和(自身を含む): 5761324800

約数和(自身を除く): 3372924380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 13790, 27580, 86599, 173198, 346396, 432995, 606193, 865990, 1212386, 1731980, 2424772, 3030965, 6061930, 12123860, 17060003, 34120006, 68240012, 85300015, 119420021, 170600030, 238840042, 341200060, 477680084, 597100105, 1194200210, 2388400420]

約数ペア:

[(1, 2388400420), (2, 1194200210), (4, 597100105), (5, 477680084), (7, 341200060), (10, 238840042), (14, 170600030), (20, 119420021), (28, 85300015), (35, 68240012), (70, 34120006), (140, 17060003), (197, 12123860), (394, 6061930), (788, 3030965), (985, 2424772), (1379, 1731980), (1970, 1212386), (2758, 865990), (3940, 606193), (5516, 432995), (6895, 346396), (13790, 173198), (27580, 86599)]