388307560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{510931}}^1$

素因数の和:510961

約数の個数: 32

約数和(自身を含む): 919677600

約数和(自身を除く): 531370040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 510931, 1021862, 2043724, 2554655, 4087448, 5109310, 9707689, 10218620, 19415378, 20437240, 38830756, 48538445, 77661512, 97076890, 194153780, 388307560]

約数ペア:

[(1, 388307560), (2, 194153780), (4, 97076890), (5, 77661512), (8, 48538445), (10, 38830756), (19, 20437240), (20, 19415378), (38, 10218620), (40, 9707689), (76, 5109310), (95, 4087448), (152, 2554655), (190, 2043724), (380, 1021862), (760, 510931)]