38860220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1409}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 93804480

約数和(自身を除く): 54944260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1409, 1970, 2758, 2818, 3940, 5516, 5636, 6895, 7045, 9863, 13790, 14090, 19726, 27580, 28180, 39452, 49315, 98630, 197260, 277573, 555146, 1110292, 1387865, 1943011, 2775730, 3886022, 5551460, 7772044, 9715055, 19430110, 38860220]

約数ペア:

[(1, 38860220), (2, 19430110), (4, 9715055), (5, 7772044), (7, 5551460), (10, 3886022), (14, 2775730), (20, 1943011), (28, 1387865), (35, 1110292), (70, 555146), (140, 277573), (197, 197260), (394, 98630), (788, 49315), (985, 39452), (1379, 28180), (1409, 27580), (1970, 19726), (2758, 14090), (2818, 13790), (3940, 9863), (5516, 7045), (5636, 6895)]