3939393220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{4019789}}^1$

素因数の和:4019812

約数の個数: 36

約数和(自身を含む): 9623377260

約数和(自身を除く): 5683984040

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4019789, 8039578, 16079156, 20098945, 28138523, 40197890, 56277046, 80395780, 112554092, 140692615, 196969661, 281385230, 393939322, 562770460, 787878644, 984848305, 1969696610, 3939393220]

約数ペア:

[(1, 3939393220), (2, 1969696610), (4, 984848305), (5, 787878644), (7, 562770460), (10, 393939322), (14, 281385230), (20, 196969661), (28, 140692615), (35, 112554092), (49, 80395780), (70, 56277046), (98, 40197890), (140, 28138523), (196, 20098945), (245, 16079156), (490, 8039578), (980, 4019789)]