1245494840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1638809}}^1$

素因数の和:1638839

約数の個数: 32

約数和(自身を含む): 2949858000

約数和(自身を除く): 1704363160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1638809, 3277618, 6555236, 8194045, 13110472, 16388090, 31137371, 32776180, 62274742, 65552360, 124549484, 155686855, 249098968, 311373710, 622747420, 1245494840]

約数ペア:

[(1, 1245494840), (2, 622747420), (4, 311373710), (5, 249098968), (8, 155686855), (10, 124549484), (19, 65552360), (20, 62274742), (38, 32776180), (40, 31137371), (76, 16388090), (95, 13110472), (152, 8194045), (190, 6555236), (380, 3277618), (760, 1638809)]