3080720

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:507

約数の個数: 40

約数和(自身を含む): 7254744

約数和(自身を除く): 4174024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 397, 485, 776, 794, 970, 1552, 1588, 1940, 1985, 3176, 3880, 3970, 6352, 7760, 7940, 15880, 31760, 38509, 77018, 154036, 192545, 308072, 385090, 616144, 770180, 1540360, 3080720]

約数ペア:

[(1, 3080720), (2, 1540360), (4, 770180), (5, 616144), (8, 385090), (10, 308072), (16, 192545), (20, 154036), (40, 77018), (80, 38509), (97, 31760), (194, 15880), (388, 7940), (397, 7760), (485, 6352), (776, 3970), (794, 3880), (970, 3176), (1552, 1985), (1588, 1940)]