980727560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1290431}}^1$

素因数の和:1290461

約数の個数: 32

約数和(自身を含む): 2322777600

約数和(自身を除く): 1342050040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1290431, 2580862, 5161724, 6452155, 10323448, 12904310, 24518189, 25808620, 49036378, 51617240, 98072756, 122590945, 196145512, 245181890, 490363780, 980727560]

約数ペア:

[(1, 980727560), (2, 490363780), (4, 245181890), (5, 196145512), (8, 122590945), (10, 98072756), (19, 51617240), (20, 49036378), (38, 25808620), (40, 24518189), (76, 12904310), (95, 10323448), (152, 6452155), (190, 5161724), (380, 2580862), (760, 1290431)]