286868840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{377459}}^1$

素因数の和:377489

約数の個数: 32

約数和(自身を含む): 679428000

約数和(自身を除く): 392559160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 377459, 754918, 1509836, 1887295, 3019672, 3774590, 7171721, 7549180, 14343442, 15098360, 28686884, 35858605, 57373768, 71717210, 143434420, 286868840]

約数ペア:

[(1, 286868840), (2, 143434420), (4, 71717210), (5, 57373768), (8, 35858605), (10, 28686884), (19, 15098360), (20, 14343442), (38, 7549180), (40, 7171721), (76, 3774590), (95, 3019672), (152, 1887295), (190, 1509836), (380, 754918), (760, 377459)]