378180040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{192949}}^1$

素因数の和:192974

約数の個数: 48

約数和(自身を含む): 989833500

約数和(自身を除く): 611653460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 192949, 385898, 771796, 964745, 1350643, 1543592, 1929490, 2701286, 3858980, 5402572, 6753215, 7717960, 9454501, 10805144, 13506430, 18909002, 27012860, 37818004, 47272505, 54025720, 75636008, 94545010, 189090020, 378180040]

約数ペア:

[(1, 378180040), (2, 189090020), (4, 94545010), (5, 75636008), (7, 54025720), (8, 47272505), (10, 37818004), (14, 27012860), (20, 18909002), (28, 13506430), (35, 10805144), (40, 9454501), (49, 7717960), (56, 6753215), (70, 5402572), (98, 3858980), (140, 2701286), (196, 1929490), (245, 1543592), (280, 1350643), (392, 964745), (490, 771796), (980, 385898), (1960, 192949)]